Home / 63,439.48-87,540.24-36,215.92

Finding the Fourth Proportional to 63,439.48, 87,540.24 and 36,215.92

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Solution

The fourth proportional to 63,439.48, 87,540.24 and 36,215.92 is: 49,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,439.48 : 87,540.24 = 36,215.92 : x
  2. Step 2: Convert to fraction form
    63,439.48/87,540.24 = 36,215.92/x
  3. Step 3: Cross multiply
    63,439.48x = 87,540.24 × 36,215.92
  4. Step 4: Simplify right side
    63,439.48x = 3,170,350,328.62
  5. Step 5: Solve for x
    x = 3,170,350,328.62/63,439.48
  6. Step 6: Final answer
    x = 49,974.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.