Home / 57,171.80-85,836.25-29,110.70

Finding the Fourth Proportional to 57,171.80, 85,836.25 and 29,110.70

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Solution

The fourth proportional to 57,171.80, 85,836.25 and 29,110.70 is: 43,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.80 : 85,836.25 = 29,110.70 : x
  2. Step 2: Convert to fraction form
    57,171.80/85,836.25 = 29,110.70/x
  3. Step 3: Cross multiply
    57,171.80x = 85,836.25 × 29,110.70
  4. Step 4: Simplify right side
    57,171.80x = 2,498,753,464.69
  5. Step 5: Solve for x
    x = 2,498,753,464.69/57,171.80
  6. Step 6: Final answer
    x = 43,706.05

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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.