Home / 54,613.38-81,919.92-31,223.41

Finding the Fourth Proportional to 54,613.38, 81,919.92 and 31,223.41

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Solution

The fourth proportional to 54,613.38, 81,919.92 and 31,223.41 is: 46,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.38 : 81,919.92 = 31,223.41 : x
  2. Step 2: Convert to fraction form
    54,613.38/81,919.92 = 31,223.41/x
  3. Step 3: Cross multiply
    54,613.38x = 81,919.92 × 31,223.41
  4. Step 4: Simplify right side
    54,613.38x = 2,557,819,249.33
  5. Step 5: Solve for x
    x = 2,557,819,249.33/54,613.38
  6. Step 6: Final answer
    x = 46,835.03

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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.