Home / 20,049.18-30,076.56-8,359.71

Finding the Fourth Proportional to 20,049.18, 30,076.56 and 8,359.71

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Solution

The fourth proportional to 20,049.18, 30,076.56 and 8,359.71 is: 12,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.18 : 30,076.56 = 8,359.71 : x
  2. Step 2: Convert to fraction form
    20,049.18/30,076.56 = 8,359.71/x
  3. Step 3: Cross multiply
    20,049.18x = 30,076.56 × 8,359.71
  4. Step 4: Simplify right side
    20,049.18x = 251,431,319.40
  5. Step 5: Solve for x
    x = 251,431,319.40/20,049.18
  6. Step 6: Final answer
    x = 12,540.73

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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.