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Finding the Fourth Proportional to 41,251.80, 61,804.80 and 38,627.40

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Solution

The fourth proportional to 41,251.80, 61,804.80 and 38,627.40 is: 57,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,251.80 : 61,804.80 = 38,627.40 : x
  2. Step 2: Convert to fraction form
    41,251.80/61,804.80 = 38,627.40/x
  3. Step 3: Cross multiply
    41,251.80x = 61,804.80 × 38,627.40
  4. Step 4: Simplify right side
    41,251.80x = 2,387,358,731.52
  5. Step 5: Solve for x
    x = 2,387,358,731.52/41,251.80
  6. Step 6: Final answer
    x = 57,872.84

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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.