Home / 39,286.82-54,234.36-25,147.87

Finding the Fourth Proportional to 39,286.82, 54,234.36 and 25,147.87

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Solution

The fourth proportional to 39,286.82, 54,234.36 and 25,147.87 is: 34,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286.82 : 54,234.36 = 25,147.87 : x
  2. Step 2: Convert to fraction form
    39,286.82/54,234.36 = 25,147.87/x
  3. Step 3: Cross multiply
    39,286.82x = 54,234.36 × 25,147.87
  4. Step 4: Simplify right side
    39,286.82x = 1,363,878,634.81
  5. Step 5: Solve for x
    x = 1,363,878,634.81/39,286.82
  6. Step 6: Final answer
    x = 34,715.93

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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.