Home / 33,720.87-50,582.22-8,760.36

Finding the Fourth Proportional to 33,720.87, 50,582.22 and 8,760.36

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Solution

The fourth proportional to 33,720.87, 50,582.22 and 8,760.36 is: 13,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.87 : 50,582.22 = 8,760.36 : x
  2. Step 2: Convert to fraction form
    33,720.87/50,582.22 = 8,760.36/x
  3. Step 3: Cross multiply
    33,720.87x = 50,582.22 × 8,760.36
  4. Step 4: Simplify right side
    33,720.87x = 443,118,456.80
  5. Step 5: Solve for x
    x = 443,118,456.80/33,720.87
  6. Step 6: Final answer
    x = 13,140.78

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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.