Home / 41,861.18-57,724.98-29,128.79

Finding the Fourth Proportional to 41,861.18, 57,724.98 and 29,128.79

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Solution

The fourth proportional to 41,861.18, 57,724.98 and 29,128.79 is: 40,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,861.18 : 57,724.98 = 29,128.79 : x
  2. Step 2: Convert to fraction form
    41,861.18/57,724.98 = 29,128.79/x
  3. Step 3: Cross multiply
    41,861.18x = 57,724.98 × 29,128.79
  4. Step 4: Simplify right side
    41,861.18x = 1,681,458,820.17
  5. Step 5: Solve for x
    x = 1,681,458,820.17/41,861.18
  6. Step 6: Final answer
    x = 40,167.50

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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.