Home / 47,540.40-71,224.20-38,727.60

Finding the Fourth Proportional to 47,540.40, 71,224.20 and 38,727.60

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Solution

The fourth proportional to 47,540.40, 71,224.20 and 38,727.60 is: 58,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.40 : 71,224.20 = 38,727.60 : x
  2. Step 2: Convert to fraction form
    47,540.40/71,224.20 = 38,727.60/x
  3. Step 3: Cross multiply
    47,540.40x = 71,224.20 × 38,727.60
  4. Step 4: Simplify right side
    47,540.40x = 2,758,342,327.92
  5. Step 5: Solve for x
    x = 2,758,342,327.92/47,540.40
  6. Step 6: Final answer
    x = 58,021.02

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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.