Home / 39,939.25-55,098.12-22,939.27

Finding the Fourth Proportional to 39,939.25, 55,098.12 and 22,939.27

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Solution

The fourth proportional to 39,939.25, 55,098.12 and 22,939.27 is: 31,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.25 : 55,098.12 = 22,939.27 : x
  2. Step 2: Convert to fraction form
    39,939.25/55,098.12 = 22,939.27/x
  3. Step 3: Cross multiply
    39,939.25x = 55,098.12 × 22,939.27
  4. Step 4: Simplify right side
    39,939.25x = 1,263,910,651.17
  5. Step 5: Solve for x
    x = 1,263,910,651.17/39,939.25
  6. Step 6: Final answer
    x = 31,645.83

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1.5x scale

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.