Home / 39,401.52-54,358.68-25,979.80

Finding the Fourth Proportional to 39,401.52, 54,358.68 and 25,979.80

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Solution

The fourth proportional to 39,401.52, 54,358.68 and 25,979.80 is: 35,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.52 : 54,358.68 = 25,979.80 : x
  2. Step 2: Convert to fraction form
    39,401.52/54,358.68 = 25,979.80/x
  3. Step 3: Cross multiply
    39,401.52x = 54,358.68 × 25,979.80
  4. Step 4: Simplify right side
    39,401.52x = 1,412,227,634.66
  5. Step 5: Solve for x
    x = 1,412,227,634.66/39,401.52
  6. Step 6: Final answer
    x = 35,841.96

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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.