Home / 48,748.40-73,117.20-13,691.60

Finding the Fourth Proportional to 48,748.40, 73,117.20 and 13,691.60

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Solution

The fourth proportional to 48,748.40, 73,117.20 and 13,691.60 is: 20,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,748.40 : 73,117.20 = 13,691.60 : x
  2. Step 2: Convert to fraction form
    48,748.40/73,117.20 = 13,691.60/x
  3. Step 3: Cross multiply
    48,748.40x = 73,117.20 × 13,691.60
  4. Step 4: Simplify right side
    48,748.40x = 1,001,091,455.52
  5. Step 5: Solve for x
    x = 1,001,091,455.52/48,748.40
  6. Step 6: Final answer
    x = 20,535.88

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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.