Home / 20,062.56-30,049.20-19,566.88

Finding the Fourth Proportional to 20,062.56, 30,049.20 and 19,566.88

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Solution

The fourth proportional to 20,062.56, 30,049.20 and 19,566.88 is: 29,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.56 : 30,049.20 = 19,566.88 : x
  2. Step 2: Convert to fraction form
    20,062.56/30,049.20 = 19,566.88/x
  3. Step 3: Cross multiply
    20,062.56x = 30,049.20 × 19,566.88
  4. Step 4: Simplify right side
    20,062.56x = 587,969,090.50
  5. Step 5: Solve for x
    x = 587,969,090.50/20,062.56
  6. Step 6: Final answer
    x = 29,306.78

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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.