Finding the Fourth Proportional to 71,974.26, 107,974.09 and 24,578.24
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Solution
The fourth proportional to 71,974.26, 107,974.09 and 24,578.24 is: 36,871.70
Step by Step Solution
- Step 1: Write the proportion equation
71,974.26 : 107,974.09 = 24,578.24 : x - Step 2: Convert to fraction form
71,974.26/107,974.09 = 24,578.24/x - Step 3: Cross multiply
71,974.26x = 107,974.09 × 24,578.24 - Step 4: Simplify right side
71,974.26x = 2,653,813,097.80 - Step 5: Solve for x
x = 2,653,813,097.80/71,974.26 - Step 6: Final answer
x = 36,871.70
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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.