Home / 20,335.64-30,500.38-5,545.76

Finding the Fourth Proportional to 20,335.64, 30,500.38 and 5,545.76

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Solution

The fourth proportional to 20,335.64, 30,500.38 and 5,545.76 is: 8,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.64 : 30,500.38 = 5,545.76 : x
  2. Step 2: Convert to fraction form
    20,335.64/30,500.38 = 5,545.76/x
  3. Step 3: Cross multiply
    20,335.64x = 30,500.38 × 5,545.76
  4. Step 4: Simplify right side
    20,335.64x = 169,147,787.39
  5. Step 5: Solve for x
    x = 169,147,787.39/20,335.64
  6. Step 6: Final answer
    x = 8,317.80

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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.