Home / 45,105.97-67,711.32-26,399.43

Finding the Fourth Proportional to 45,105.97, 67,711.32 and 26,399.43

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Solution

The fourth proportional to 45,105.97, 67,711.32 and 26,399.43 is: 39,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,105.97 : 67,711.32 = 26,399.43 : x
  2. Step 2: Convert to fraction form
    45,105.97/67,711.32 = 26,399.43/x
  3. Step 3: Cross multiply
    45,105.97x = 67,711.32 × 26,399.43
  4. Step 4: Simplify right side
    45,105.97x = 1,787,540,252.55
  5. Step 5: Solve for x
    x = 1,787,540,252.55/45,105.97
  6. Step 6: Final answer
    x = 39,629.79

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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.