Finding the Fourth Proportional to 49,234.50, 67,943.61 and 28,026
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Solution
The fourth proportional to 49,234.50, 67,943.61 and 28,026 is: 38,675.88
Step by Step Solution
- Step 1: Write the proportion equation
49,234.50 : 67,943.61 = 28,026 : x - Step 2: Convert to fraction form
49,234.50/67,943.61 = 28,026/x - Step 3: Cross multiply
49,234.50x = 67,943.61 × 28,026 - Step 4: Simplify right side
49,234.50x = 1,904,187,613.86 - Step 5: Solve for x
x = 1,904,187,613.86/49,234.50 - Step 6: Final answer
x = 38,675.88
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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.