Home / 47,724.72-71,577.36-18,132.18

Finding the Fourth Proportional to 47,724.72, 71,577.36 and 18,132.18

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Solution

The fourth proportional to 47,724.72, 71,577.36 and 18,132.18 is: 27,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.72 : 71,577.36 = 18,132.18 : x
  2. Step 2: Convert to fraction form
    47,724.72/71,577.36 = 18,132.18/x
  3. Step 3: Cross multiply
    47,724.72x = 71,577.36 × 18,132.18
  4. Step 4: Simplify right side
    47,724.72x = 1,297,853,575.44
  5. Step 5: Solve for x
    x = 1,297,853,575.44/47,724.72
  6. Step 6: Final answer
    x = 27,194.58

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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.