Home / 82,626.57-123,942.27-20,297.07

Finding the Fourth Proportional to 82,626.57, 123,942.27 and 20,297.07

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Solution

The fourth proportional to 82,626.57, 123,942.27 and 20,297.07 is: 30,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,626.57 : 123,942.27 = 20,297.07 : x
  2. Step 2: Convert to fraction form
    82,626.57/123,942.27 = 20,297.07/x
  3. Step 3: Cross multiply
    82,626.57x = 123,942.27 × 20,297.07
  4. Step 4: Simplify right side
    82,626.57x = 2,515,664,930.15
  5. Step 5: Solve for x
    x = 2,515,664,930.15/82,626.57
  6. Step 6: Final answer
    x = 30,446.20

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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.