Home / 29,082.06-43,627.68-12,442.20

Finding the Fourth Proportional to 29,082.06, 43,627.68 and 12,442.20

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Solution

The fourth proportional to 29,082.06, 43,627.68 and 12,442.20 is: 18,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,082.06 : 43,627.68 = 12,442.20 : x
  2. Step 2: Convert to fraction form
    29,082.06/43,627.68 = 12,442.20/x
  3. Step 3: Cross multiply
    29,082.06x = 43,627.68 × 12,442.20
  4. Step 4: Simplify right side
    29,082.06x = 542,824,320.10
  5. Step 5: Solve for x
    x = 542,824,320.10/29,082.06
  6. Step 6: Final answer
    x = 18,665.26

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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.