Home / 33,397.78-50,122.05-12,357.73

Finding the Fourth Proportional to 33,397.78, 50,122.05 and 12,357.73

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Solution

The fourth proportional to 33,397.78, 50,122.05 and 12,357.73 is: 18,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,397.78 : 50,122.05 = 12,357.73 : x
  2. Step 2: Convert to fraction form
    33,397.78/50,122.05 = 12,357.73/x
  3. Step 3: Cross multiply
    33,397.78x = 50,122.05 × 12,357.73
  4. Step 4: Simplify right side
    33,397.78x = 619,394,760.95
  5. Step 5: Solve for x
    x = 619,394,760.95/33,397.78
  6. Step 6: Final answer
    x = 18,545.99

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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.