Home / 79,581.60-119,329.20-32,839.20

Finding the Fourth Proportional to 79,581.60, 119,329.20 and 32,839.20

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Solution

The fourth proportional to 79,581.60, 119,329.20 and 32,839.20 is: 49,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581.60 : 119,329.20 = 32,839.20 : x
  2. Step 2: Convert to fraction form
    79,581.60/119,329.20 = 32,839.20/x
  3. Step 3: Cross multiply
    79,581.60x = 119,329.20 × 32,839.20
  4. Step 4: Simplify right side
    79,581.60x = 3,918,675,464.64
  5. Step 5: Solve for x
    x = 3,918,675,464.64/79,581.60
  6. Step 6: Final answer
    x = 49,240.97

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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.