Home / 49,575.20-74,233.20-31,949.60

Finding the Fourth Proportional to 49,575.20, 74,233.20 and 31,949.60

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Solution

The fourth proportional to 49,575.20, 74,233.20 and 31,949.60 is: 47,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,575.20 : 74,233.20 = 31,949.60 : x
  2. Step 2: Convert to fraction form
    49,575.20/74,233.20 = 31,949.60/x
  3. Step 3: Cross multiply
    49,575.20x = 74,233.20 × 31,949.60
  4. Step 4: Simplify right side
    49,575.20x = 2,371,721,046.72
  5. Step 5: Solve for x
    x = 2,371,721,046.72/49,575.20
  6. Step 6: Final answer
    x = 47,840.88

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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.