Home / 33,731.39-50,591.38-12,379.68

Finding the Fourth Proportional to 33,731.39, 50,591.38 and 12,379.68

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Solution

The fourth proportional to 33,731.39, 50,591.38 and 12,379.68 is: 18,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,731.39 : 50,591.38 = 12,379.68 : x
  2. Step 2: Convert to fraction form
    33,731.39/50,591.38 = 12,379.68/x
  3. Step 3: Cross multiply
    33,731.39x = 50,591.38 × 12,379.68
  4. Step 4: Simplify right side
    33,731.39x = 626,305,095.16
  5. Step 5: Solve for x
    x = 626,305,095.16/33,731.39
  6. Step 6: Final answer
    x = 18,567.43

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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.