Home / 48,748.97-73,123.12-13,688.66

Finding the Fourth Proportional to 48,748.97, 73,123.12 and 13,688.66

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Solution

The fourth proportional to 48,748.97, 73,123.12 and 13,688.66 is: 20,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,748.97 : 73,123.12 = 13,688.66 : x
  2. Step 2: Convert to fraction form
    48,748.97/73,123.12 = 13,688.66/x
  3. Step 3: Cross multiply
    48,748.97x = 73,123.12 × 13,688.66
  4. Step 4: Simplify right side
    48,748.97x = 1,000,957,527.82
  5. Step 5: Solve for x
    x = 1,000,957,527.82/48,748.97
  6. Step 6: Final answer
    x = 20,532.90

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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.