Home / 47,712.80-71,569.20-22,764.80

Finding the Fourth Proportional to 47,712.80, 71,569.20 and 22,764.80

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Solution

The fourth proportional to 47,712.80, 71,569.20 and 22,764.80 is: 34,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.80 : 71,569.20 = 22,764.80 : x
  2. Step 2: Convert to fraction form
    47,712.80/71,569.20 = 22,764.80/x
  3. Step 3: Cross multiply
    47,712.80x = 71,569.20 × 22,764.80
  4. Step 4: Simplify right side
    47,712.80x = 1,629,258,524.16
  5. Step 5: Solve for x
    x = 1,629,258,524.16/47,712.80
  6. Step 6: Final answer
    x = 34,147.20

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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.