Home / 52,780.20-79,134.60-27,793.80

Finding the Fourth Proportional to 52,780.20, 79,134.60 and 27,793.80

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Solution

The fourth proportional to 52,780.20, 79,134.60 and 27,793.80 is: 41,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.20 : 79,134.60 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    52,780.20/79,134.60 = 27,793.80/x
  3. Step 3: Cross multiply
    52,780.20x = 79,134.60 × 27,793.80
  4. Step 4: Simplify right side
    52,780.20x = 2,199,451,245.48
  5. Step 5: Solve for x
    x = 2,199,451,245.48/52,780.20
  6. Step 6: Final answer
    x = 41,671.90

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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.