Home / 32,121.92-48,155.20-12,414.31

Finding the Fourth Proportional to 32,121.92, 48,155.20 and 12,414.31

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Solution

The fourth proportional to 32,121.92, 48,155.20 and 12,414.31 is: 18,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.92 : 48,155.20 = 12,414.31 : x
  2. Step 2: Convert to fraction form
    32,121.92/48,155.20 = 12,414.31/x
  3. Step 3: Cross multiply
    32,121.92x = 48,155.20 × 12,414.31
  4. Step 4: Simplify right side
    32,121.92x = 597,813,429.49
  5. Step 5: Solve for x
    x = 597,813,429.49/32,121.92
  6. Step 6: Final answer
    x = 18,610.76

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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.