Home / 31,251.03-43,126.26-16,910.85

Finding the Fourth Proportional to 31,251.03, 43,126.26 and 16,910.85

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Solution

The fourth proportional to 31,251.03, 43,126.26 and 16,910.85 is: 23,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.03 : 43,126.26 = 16,910.85 : x
  2. Step 2: Convert to fraction form
    31,251.03/43,126.26 = 16,910.85/x
  3. Step 3: Cross multiply
    31,251.03x = 43,126.26 × 16,910.85
  4. Step 4: Simplify right side
    31,251.03x = 729,301,713.92
  5. Step 5: Solve for x
    x = 729,301,713.92/31,251.03
  6. Step 6: Final answer
    x = 23,336.89

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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.