Home / 38,422.92-57,637.62-12,129.24

Finding the Fourth Proportional to 38,422.92, 57,637.62 and 12,129.24

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Solution

The fourth proportional to 38,422.92, 57,637.62 and 12,129.24 is: 18,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.92 : 57,637.62 = 12,129.24 : x
  2. Step 2: Convert to fraction form
    38,422.92/57,637.62 = 12,129.24/x
  3. Step 3: Cross multiply
    38,422.92x = 57,637.62 × 12,129.24
  4. Step 4: Simplify right side
    38,422.92x = 699,100,526.01
  5. Step 5: Solve for x
    x = 699,100,526.01/38,422.92
  6. Step 6: Final answer
    x = 18,194.88

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1.5x scale

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.