Home / 20,251.55-30,377.24-5,461.96

Finding the Fourth Proportional to 20,251.55, 30,377.24 and 5,461.96

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Solution

The fourth proportional to 20,251.55, 30,377.24 and 5,461.96 is: 8,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.55 : 30,377.24 = 5,461.96 : x
  2. Step 2: Convert to fraction form
    20,251.55/30,377.24 = 5,461.96/x
  3. Step 3: Cross multiply
    20,251.55x = 30,377.24 × 5,461.96
  4. Step 4: Simplify right side
    20,251.55x = 165,919,269.79
  5. Step 5: Solve for x
    x = 165,919,269.79/20,251.55
  6. Step 6: Final answer
    x = 8,192.92

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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.