Home / 20,335.85-30,500.63-5,545.97

Finding the Fourth Proportional to 20,335.85, 30,500.63 and 5,545.97

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Solution

The fourth proportional to 20,335.85, 30,500.63 and 5,545.97 is: 8,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.85 : 30,500.63 = 5,545.97 : x
  2. Step 2: Convert to fraction form
    20,335.85/30,500.63 = 5,545.97/x
  3. Step 3: Cross multiply
    20,335.85x = 30,500.63 × 5,545.97
  4. Step 4: Simplify right side
    20,335.85x = 169,155,398.73
  5. Step 5: Solve for x
    x = 169,155,398.73/20,335.85
  6. Step 6: Final answer
    x = 8,318.09

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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.