Home / 33,718.87-50,578.41-8,759.12

Finding the Fourth Proportional to 33,718.87, 50,578.41 and 8,759.12

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Solution

The fourth proportional to 33,718.87, 50,578.41 and 8,759.12 is: 13,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,718.87 : 50,578.41 = 8,759.12 : x
  2. Step 2: Convert to fraction form
    33,718.87/50,578.41 = 8,759.12/x
  3. Step 3: Cross multiply
    33,718.87x = 50,578.41 × 8,759.12
  4. Step 4: Simplify right side
    33,718.87x = 443,022,318.80
  5. Step 5: Solve for x
    x = 443,022,318.80/33,718.87
  6. Step 6: Final answer
    x = 13,138.71

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1.5x scale

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.