Finding the Fourth Proportional to 57,229.50, 78,984 and 32,079
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Solution
The fourth proportional to 57,229.50, 78,984 and 32,079 is: 44,273.11
Step by Step Solution
- Step 1: Write the proportion equation
57,229.50 : 78,984 = 32,079 : x - Step 2: Convert to fraction form
57,229.50/78,984 = 32,079/x - Step 3: Cross multiply
57,229.50x = 78,984 × 32,079 - Step 4: Simplify right side
57,229.50x = 2,533,727,736 - Step 5: Solve for x
x = 2,533,727,736/57,229.50 - Step 6: Final answer
x = 44,273.11
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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.