Home / 47,732.64-71,581.92-18,142.60

Finding the Fourth Proportional to 47,732.64, 71,581.92 and 18,142.60

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Solution

The fourth proportional to 47,732.64, 71,581.92 and 18,142.60 is: 27,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,732.64 : 71,581.92 = 18,142.60 : x
  2. Step 2: Convert to fraction form
    47,732.64/71,581.92 = 18,142.60/x
  3. Step 3: Cross multiply
    47,732.64x = 71,581.92 × 18,142.60
  4. Step 4: Simplify right side
    47,732.64x = 1,298,682,141.79
  5. Step 5: Solve for x
    x = 1,298,682,141.79/47,732.64
  6. Step 6: Final answer
    x = 27,207.42

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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.