21.18 is what percent of 780.35 - 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 780.35 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 780.35, so we can write it down as 100%=780.35.
4. We know, that x% equals 21.18 of the output value, so we can write it down as x%=21.18.
5. Now we have two simple equations:
1) 100%=780.35
2) x%=21.18
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%=780.35/21.18
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 21.18 is what percent of 780.35

100%/x%=780.35/21.18
(100/x)*x=(780.35/21.18)*x       - we multiply both sides of the equation by x
100=36.843720491029*x       - we divide both sides of the equation by (36.843720491029) to get x
100/36.843720491029=x
2.7141667200615=x
x=2.7141667200615

now we have:
21.18 is 2.7141667200615% of 780.35