Home / 49,356.60-74,034.90-13,817.85

Finding the Fourth Proportional to 49,356.60, 74,034.90 and 13,817.85

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Solution

The fourth proportional to 49,356.60, 74,034.90 and 13,817.85 is: 20,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,356.60 : 74,034.90 = 13,817.85 : x
  2. Step 2: Convert to fraction form
    49,356.60/74,034.90 = 13,817.85/x
  3. Step 3: Cross multiply
    49,356.60x = 74,034.90 × 13,817.85
  4. Step 4: Simplify right side
    49,356.60x = 1,023,003,142.97
  5. Step 5: Solve for x
    x = 1,023,003,142.97/49,356.60
  6. Step 6: Final answer
    x = 20,726.78

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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.