Home / 20,003.85-30,024.61-10,150.20

Finding the Fourth Proportional to 20,003.85, 30,024.61 and 10,150.20

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Solution

The fourth proportional to 20,003.85, 30,024.61 and 10,150.20 is: 15,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.85 : 30,024.61 = 10,150.20 : x
  2. Step 2: Convert to fraction form
    20,003.85/30,024.61 = 10,150.20/x
  3. Step 3: Cross multiply
    20,003.85x = 30,024.61 × 10,150.20
  4. Step 4: Simplify right side
    20,003.85x = 304,755,796.42
  5. Step 5: Solve for x
    x = 304,755,796.42/20,003.85
  6. Step 6: Final answer
    x = 15,234.86

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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.