Home / 40,454.33-60,671.76-20,722.73

Finding the Fourth Proportional to 40,454.33, 60,671.76 and 20,722.73

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Solution

The fourth proportional to 40,454.33, 60,671.76 and 20,722.73 is: 31,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.33 : 60,671.76 = 20,722.73 : x
  2. Step 2: Convert to fraction form
    40,454.33/60,671.76 = 20,722.73/x
  3. Step 3: Cross multiply
    40,454.33x = 60,671.76 × 20,722.73
  4. Step 4: Simplify right side
    40,454.33x = 1,257,284,197.75
  5. Step 5: Solve for x
    x = 1,257,284,197.75/40,454.33
  6. Step 6: Final answer
    x = 31,079.10

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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.