Finding the Fourth Proportional to 53,687.74, 80,531.50 and 13,706.70
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Solution
The fourth proportional to 53,687.74, 80,531.50 and 13,706.70 is: 20,560.02
Step by Step Solution
- Step 1: Write the proportion equation
53,687.74 : 80,531.50 = 13,706.70 : x - Step 2: Convert to fraction form
53,687.74/80,531.50 = 13,706.70/x - Step 3: Cross multiply
53,687.74x = 80,531.50 × 13,706.70 - Step 4: Simplify right side
53,687.74x = 1,103,821,111.05 - Step 5: Solve for x
x = 1,103,821,111.05/53,687.74 - Step 6: Final answer
x = 20,560.02
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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.