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Finding the Fourth Proportional to 33,843.76, 50,765.64 and 10,469.68

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Solution

The fourth proportional to 33,843.76, 50,765.64 and 10,469.68 is: 15,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,843.76 : 50,765.64 = 10,469.68 : x
  2. Step 2: Convert to fraction form
    33,843.76/50,765.64 = 10,469.68/x
  3. Step 3: Cross multiply
    33,843.76x = 50,765.64 × 10,469.68
  4. Step 4: Simplify right side
    33,843.76x = 531,500,005.80
  5. Step 5: Solve for x
    x = 531,500,005.80/33,843.76
  6. Step 6: Final answer
    x = 15,704.52

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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.