Home / 56,104.20-77,404.64-31,902.75

Finding the Fourth Proportional to 56,104.20, 77,404.64 and 31,902.75

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Solution

The fourth proportional to 56,104.20, 77,404.64 and 31,902.75 is: 44,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,104.20 : 77,404.64 = 31,902.75 : x
  2. Step 2: Convert to fraction form
    56,104.20/77,404.64 = 31,902.75/x
  3. Step 3: Cross multiply
    56,104.20x = 77,404.64 × 31,902.75
  4. Step 4: Simplify right side
    56,104.20x = 2,469,420,719.25
  5. Step 5: Solve for x
    x = 2,469,420,719.25/56,104.20
  6. Step 6: Final answer
    x = 44,014.90

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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.