Home / 33,427.38-50,138.70-12,357.66

Finding the Fourth Proportional to 33,427.38, 50,138.70 and 12,357.66

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Solution

The fourth proportional to 33,427.38, 50,138.70 and 12,357.66 is: 18,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.38 : 50,138.70 = 12,357.66 : x
  2. Step 2: Convert to fraction form
    33,427.38/50,138.70 = 12,357.66/x
  3. Step 3: Cross multiply
    33,427.38x = 50,138.70 × 12,357.66
  4. Step 4: Simplify right side
    33,427.38x = 619,597,149.12
  5. Step 5: Solve for x
    x = 619,597,149.12/33,427.38
  6. Step 6: Final answer
    x = 18,535.62

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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.