Home / 40,787-61,173.20-25,951.85

Finding the Fourth Proportional to 40,787, 61,173.20 and 25,951.85

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Solution

The fourth proportional to 40,787, 61,173.20 and 25,951.85 is: 38,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787 : 61,173.20 = 25,951.85 : x
  2. Step 2: Convert to fraction form
    40,787/61,173.20 = 25,951.85/x
  3. Step 3: Cross multiply
    40,787x = 61,173.20 × 25,951.85
  4. Step 4: Simplify right side
    40,787x = 1,587,557,710.42
  5. Step 5: Solve for x
    x = 1,587,557,710.42/40,787
  6. Step 6: Final answer
    x = 38,923.13

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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.