Home / 33,105.60-49,658.40-8,481.60

Finding the Fourth Proportional to 33,105.60, 49,658.40 and 8,481.60

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Solution

The fourth proportional to 33,105.60, 49,658.40 and 8,481.60 is: 12,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.60 : 49,658.40 = 8,481.60 : x
  2. Step 2: Convert to fraction form
    33,105.60/49,658.40 = 8,481.60/x
  3. Step 3: Cross multiply
    33,105.60x = 49,658.40 × 8,481.60
  4. Step 4: Simplify right side
    33,105.60x = 421,182,685.44
  5. Step 5: Solve for x
    x = 421,182,685.44/33,105.60
  6. Step 6: Final answer
    x = 12,722.40

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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.