Home / 39,238.20-54,160.38-25,819.74

Finding the Fourth Proportional to 39,238.20, 54,160.38 and 25,819.74

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Solution

The fourth proportional to 39,238.20, 54,160.38 and 25,819.74 is: 35,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.20 : 54,160.38 = 25,819.74 : x
  2. Step 2: Convert to fraction form
    39,238.20/54,160.38 = 25,819.74/x
  3. Step 3: Cross multiply
    39,238.20x = 54,160.38 × 25,819.74
  4. Step 4: Simplify right side
    39,238.20x = 1,398,406,929.90
  5. Step 5: Solve for x
    x = 1,398,406,929.90/39,238.20
  6. Step 6: Final answer
    x = 35,638.92

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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.