Home / 20,299.92-30,451.76-5,508.96

Finding the Fourth Proportional to 20,299.92, 30,451.76 and 5,508.96

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Solution

The fourth proportional to 20,299.92, 30,451.76 and 5,508.96 is: 8,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299.92 : 30,451.76 = 5,508.96 : x
  2. Step 2: Convert to fraction form
    20,299.92/30,451.76 = 5,508.96/x
  3. Step 3: Cross multiply
    20,299.92x = 30,451.76 × 5,508.96
  4. Step 4: Simplify right side
    20,299.92x = 167,757,527.77
  5. Step 5: Solve for x
    x = 167,757,527.77/20,299.92
  6. Step 6: Final answer
    x = 8,263.95

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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.