Home / 82,212.10-123,350.55-32,283.70

Finding the Fourth Proportional to 82,212.10, 123,350.55 and 32,283.70

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Solution

The fourth proportional to 82,212.10, 123,350.55 and 32,283.70 is: 48,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,212.10 : 123,350.55 = 32,283.70 : x
  2. Step 2: Convert to fraction form
    82,212.10/123,350.55 = 32,283.70/x
  3. Step 3: Cross multiply
    82,212.10x = 123,350.55 × 32,283.70
  4. Step 4: Simplify right side
    82,212.10x = 3,982,212,151.04
  5. Step 5: Solve for x
    x = 3,982,212,151.04/82,212.10
  6. Step 6: Final answer
    x = 48,438.27

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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.