Home / 54,967.10-82,452.29-15,520.10

Finding the Fourth Proportional to 54,967.10, 82,452.29 and 15,520.10

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Solution

The fourth proportional to 54,967.10, 82,452.29 and 15,520.10 is: 23,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,967.10 : 82,452.29 = 15,520.10 : x
  2. Step 2: Convert to fraction form
    54,967.10/82,452.29 = 15,520.10/x
  3. Step 3: Cross multiply
    54,967.10x = 82,452.29 × 15,520.10
  4. Step 4: Simplify right side
    54,967.10x = 1,279,667,296.17
  5. Step 5: Solve for x
    x = 1,279,667,296.17/54,967.10
  6. Step 6: Final answer
    x = 23,280.61

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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.