Finding the Fourth Proportional to 53,628.62, 74,006.36 and 29,754.78
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Solution
The fourth proportional to 53,628.62, 74,006.36 and 29,754.78 is: 41,060.96
Step by Step Solution
- Step 1: Write the proportion equation
53,628.62 : 74,006.36 = 29,754.78 : x - Step 2: Convert to fraction form
53,628.62/74,006.36 = 29,754.78/x - Step 3: Cross multiply
53,628.62x = 74,006.36 × 29,754.78 - Step 4: Simplify right side
53,628.62x = 2,202,042,645.68 - Step 5: Solve for x
x = 2,202,042,645.68/53,628.62 - Step 6: Final answer
x = 41,060.96
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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.