Home / 63,171.27-87,176.11-34,876.75

Finding the Fourth Proportional to 63,171.27, 87,176.11 and 34,876.75

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Solution

The fourth proportional to 63,171.27, 87,176.11 and 34,876.75 is: 48,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.27 : 87,176.11 = 34,876.75 : x
  2. Step 2: Convert to fraction form
    63,171.27/87,176.11 = 34,876.75/x
  3. Step 3: Cross multiply
    63,171.27x = 87,176.11 × 34,876.75
  4. Step 4: Simplify right side
    63,171.27x = 3,040,419,394.44
  5. Step 5: Solve for x
    x = 3,040,419,394.44/63,171.27
  6. Step 6: Final answer
    x = 48,129.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.