Home / 60,876-91,351.38-25,815.66

Finding the Fourth Proportional to 60,876, 91,351.38 and 25,815.66

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Solution

The fourth proportional to 60,876, 91,351.38 and 25,815.66 is: 38,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,876 : 91,351.38 = 25,815.66 : x
  2. Step 2: Convert to fraction form
    60,876/91,351.38 = 25,815.66/x
  3. Step 3: Cross multiply
    60,876x = 91,351.38 × 25,815.66
  4. Step 4: Simplify right side
    60,876x = 2,358,296,166.61
  5. Step 5: Solve for x
    x = 2,358,296,166.61/60,876
  6. Step 6: Final answer
    x = 38,739.34

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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.