Home / 40,919.92-61,381.20-11,338.04

Finding the Fourth Proportional to 40,919.92, 61,381.20 and 11,338.04

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Solution

The fourth proportional to 40,919.92, 61,381.20 and 11,338.04 is: 17,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,919.92 : 61,381.20 = 11,338.04 : x
  2. Step 2: Convert to fraction form
    40,919.92/61,381.20 = 11,338.04/x
  3. Step 3: Cross multiply
    40,919.92x = 61,381.20 × 11,338.04
  4. Step 4: Simplify right side
    40,919.92x = 695,942,500.85
  5. Step 5: Solve for x
    x = 695,942,500.85/40,919.92
  6. Step 6: Final answer
    x = 17,007.43

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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.