Home / 52,877.20-79,311.68-19,581.60

Finding the Fourth Proportional to 52,877.20, 79,311.68 and 19,581.60

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Solution

The fourth proportional to 52,877.20, 79,311.68 and 19,581.60 is: 29,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,877.20 : 79,311.68 = 19,581.60 : x
  2. Step 2: Convert to fraction form
    52,877.20/79,311.68 = 19,581.60/x
  3. Step 3: Cross multiply
    52,877.20x = 79,311.68 × 19,581.60
  4. Step 4: Simplify right side
    52,877.20x = 1,553,049,593.09
  5. Step 5: Solve for x
    x = 1,553,049,593.09/52,877.20
  6. Step 6: Final answer
    x = 29,370.87

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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.