Home / 55,183.38-82,787.42-20,123.04

Finding the Fourth Proportional to 55,183.38, 82,787.42 and 20,123.04

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Solution

The fourth proportional to 55,183.38, 82,787.42 and 20,123.04 is: 30,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.38 : 82,787.42 = 20,123.04 : x
  2. Step 2: Convert to fraction form
    55,183.38/82,787.42 = 20,123.04/x
  3. Step 3: Cross multiply
    55,183.38x = 82,787.42 × 20,123.04
  4. Step 4: Simplify right side
    55,183.38x = 1,665,934,463.54
  5. Step 5: Solve for x
    x = 1,665,934,463.54/55,183.38
  6. Step 6: Final answer
    x = 30,189.06

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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.