17986.4 is what percent of 42986.4 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 42986.4 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 42986.4, so we can write it down as 100%=42986.4.
4. We know, that x% equals 17986.4 of the output value, so we can write it down as x%=17986.4.
5. Now we have two simple equations:
1) 100%=42986.4
2) x%=17986.4
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=42986.4/17986.4
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 17986.4 is what percent of 42986.4

100%/x%=42986.4/17986.4
(100/x)*x=(42986.4/17986.4)*x       - we multiply both sides of the equation by x
100=2.3899390650714*x       - we divide both sides of the equation by (2.3899390650714) to get x
100/2.3899390650714=x
41.842070980589=x
x=41.842070980589

now we have:
17986.4 is 41.842070980589% of 42986.4