Home / 38,132.20-57,198.30-10,430.20

Finding the Fourth Proportional to 38,132.20, 57,198.30 and 10,430.20

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Solution

The fourth proportional to 38,132.20, 57,198.30 and 10,430.20 is: 15,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.20 : 57,198.30 = 10,430.20 : x
  2. Step 2: Convert to fraction form
    38,132.20/57,198.30 = 10,430.20/x
  3. Step 3: Cross multiply
    38,132.20x = 57,198.30 × 10,430.20
  4. Step 4: Simplify right side
    38,132.20x = 596,589,708.66
  5. Step 5: Solve for x
    x = 596,589,708.66/38,132.20
  6. Step 6: Final answer
    x = 15,645.30

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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.