Home / 63,171.88-87,177.18-34,877.76

Finding the Fourth Proportional to 63,171.88, 87,177.18 and 34,877.76

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Solution

The fourth proportional to 63,171.88, 87,177.18 and 34,877.76 is: 48,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.88 : 87,177.18 = 34,877.76 : x
  2. Step 2: Convert to fraction form
    63,171.88/87,177.18 = 34,877.76/x
  3. Step 3: Cross multiply
    63,171.88x = 87,177.18 × 34,877.76
  4. Step 4: Simplify right side
    63,171.88x = 3,040,544,761.52
  5. Step 5: Solve for x
    x = 3,040,544,761.52/63,171.88
  6. Step 6: Final answer
    x = 48,131.30

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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.