Finding the Fourth Proportional to 71,414.24, 107,024.08 and 27,017.12
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Solution
The fourth proportional to 71,414.24, 107,024.08 and 27,017.12 is: 40,488.88
Step by Step Solution
- Step 1: Write the proportion equation
71,414.24 : 107,024.08 = 27,017.12 : x - Step 2: Convert to fraction form
71,414.24/107,024.08 = 27,017.12/x - Step 3: Cross multiply
71,414.24x = 107,024.08 × 27,017.12 - Step 4: Simplify right side
71,414.24x = 2,891,482,412.25 - Step 5: Solve for x
x = 2,891,482,412.25/71,414.24 - Step 6: Final answer
x = 40,488.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.