Home / 40,910.92-61,359.42-11,321.82

Finding the Fourth Proportional to 40,910.92, 61,359.42 and 11,321.82

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Solution

The fourth proportional to 40,910.92, 61,359.42 and 11,321.82 is: 16,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.92 : 61,359.42 = 11,321.82 : x
  2. Step 2: Convert to fraction form
    40,910.92/61,359.42 = 11,321.82/x
  3. Step 3: Cross multiply
    40,910.92x = 61,359.42 × 11,321.82
  4. Step 4: Simplify right side
    40,910.92x = 694,700,251.94
  5. Step 5: Solve for x
    x = 694,700,251.94/40,910.92
  6. Step 6: Final answer
    x = 16,980.80

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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.