Finding the Fourth Proportional to 39,439,224.55, 54,428,946.21 and 21,797,748
Calculator
Solution
The fourth proportional to 39,439,224.55, 54,428,946.21 and 21,797,748 is: 30,082,448.80
Step by Step Solution
- Step 1: Write the proportion equation
39,439,224.55 : 54,428,946.21 = 21,797,748 : x - Step 2: Convert to fraction form
39,439,224.55/54,428,946.21 = 21,797,748/x - Step 3: Cross multiply
39,439,224.55x = 54,428,946.21 × 21,797,748 - Step 4: Simplify right side
39,439,224.55x = 1,186,428,453,391,135 - Step 5: Solve for x
x = 1,186,428,453,391,135/39,439,224.55 - Step 6: Final answer
x = 30,082,448.80
Related Problems
Find fourth proportional to 19,719,612.28, 27,214,473.11 and 10,898,874
Half scale
Find fourth proportional to 78,878,449.10, 108,857,892.42 and 43,595,496
Double scale
Find fourth proportional to 39,439,225.55, 54,428,947.59 and 21,797,749
Similar ratio
Find fourth proportional to 59,158,836.83, 81,643,419.32 and 32,696,622
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.