Home / 33,678.70-50,517.42-8,718.48

Finding the Fourth Proportional to 33,678.70, 50,517.42 and 8,718.48

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Solution

The fourth proportional to 33,678.70, 50,517.42 and 8,718.48 is: 13,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.70 : 50,517.42 = 8,718.48 : x
  2. Step 2: Convert to fraction form
    33,678.70/50,517.42 = 8,718.48/x
  3. Step 3: Cross multiply
    33,678.70x = 50,517.42 × 8,718.48
  4. Step 4: Simplify right side
    33,678.70x = 440,435,115.92
  5. Step 5: Solve for x
    x = 440,435,115.92/33,678.70
  6. Step 6: Final answer
    x = 13,077.56

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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.