Finding the Fourth Proportional to 52,113.74, 71,916.78 and 28,241
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Solution
The fourth proportional to 52,113.74, 71,916.78 and 28,241 is: 38,972.48
Step by Step Solution
- Step 1: Write the proportion equation
52,113.74 : 71,916.78 = 28,241 : x - Step 2: Convert to fraction form
52,113.74/71,916.78 = 28,241/x - Step 3: Cross multiply
52,113.74x = 71,916.78 × 28,241 - Step 4: Simplify right side
52,113.74x = 2,031,001,783.98 - Step 5: Solve for x
x = 2,031,001,783.98/52,113.74 - Step 6: Final answer
x = 38,972.48
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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.