Home / 40,760.24-61,142.18-11,177.42

Finding the Fourth Proportional to 40,760.24, 61,142.18 and 11,177.42

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Solution

The fourth proportional to 40,760.24, 61,142.18 and 11,177.42 is: 16,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.24 : 61,142.18 = 11,177.42 : x
  2. Step 2: Convert to fraction form
    40,760.24/61,142.18 = 11,177.42/x
  3. Step 3: Cross multiply
    40,760.24x = 61,142.18 × 11,177.42
  4. Step 4: Simplify right side
    40,760.24x = 683,411,463.98
  5. Step 5: Solve for x
    x = 683,411,463.98/40,760.24
  6. Step 6: Final answer
    x = 16,766.62

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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.