Home / 31,960.38-44,105.55-18,344.80

Finding the Fourth Proportional to 31,960.38, 44,105.55 and 18,344.80

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Solution

The fourth proportional to 31,960.38, 44,105.55 and 18,344.80 is: 25,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.38 : 44,105.55 = 18,344.80 : x
  2. Step 2: Convert to fraction form
    31,960.38/44,105.55 = 18,344.80/x
  3. Step 3: Cross multiply
    31,960.38x = 44,105.55 × 18,344.80
  4. Step 4: Simplify right side
    31,960.38x = 809,107,493.64
  5. Step 5: Solve for x
    x = 809,107,493.64/31,960.38
  6. Step 6: Final answer
    x = 25,315.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.