Home / 42,869.76-64,306.44-11,704.92

Finding the Fourth Proportional to 42,869.76, 64,306.44 and 11,704.92

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Solution

The fourth proportional to 42,869.76, 64,306.44 and 11,704.92 is: 17,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.76 : 64,306.44 = 11,704.92 : x
  2. Step 2: Convert to fraction form
    42,869.76/64,306.44 = 11,704.92/x
  3. Step 3: Cross multiply
    42,869.76x = 64,306.44 × 11,704.92
  4. Step 4: Simplify right side
    42,869.76x = 752,701,735.68
  5. Step 5: Solve for x
    x = 752,701,735.68/42,869.76
  6. Step 6: Final answer
    x = 17,557.87

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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.