Home / 40,760.59-61,134.33-11,171.50

Finding the Fourth Proportional to 40,760.59, 61,134.33 and 11,171.50

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Solution

The fourth proportional to 40,760.59, 61,134.33 and 11,171.50 is: 16,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.59 : 61,134.33 = 11,171.50 : x
  2. Step 2: Convert to fraction form
    40,760.59/61,134.33 = 11,171.50/x
  3. Step 3: Cross multiply
    40,760.59x = 61,134.33 × 11,171.50
  4. Step 4: Simplify right side
    40,760.59x = 682,962,167.60
  5. Step 5: Solve for x
    x = 682,962,167.60/40,760.59
  6. Step 6: Final answer
    x = 16,755.45

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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.