Home / 39,375.28-54,331.32-22,609.36

Finding the Fourth Proportional to 39,375.28, 54,331.32 and 22,609.36

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Solution

The fourth proportional to 39,375.28, 54,331.32 and 22,609.36 is: 31,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.28 : 54,331.32 = 22,609.36 : x
  2. Step 2: Convert to fraction form
    39,375.28/54,331.32 = 22,609.36/x
  3. Step 3: Cross multiply
    39,375.28x = 54,331.32 × 22,609.36
  4. Step 4: Simplify right side
    39,375.28x = 1,228,396,373.16
  5. Step 5: Solve for x
    x = 1,228,396,373.16/39,375.28
  6. Step 6: Final answer
    x = 31,197.15

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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.