Home / 31,819.35-43,909.85-17,671.29

Finding the Fourth Proportional to 31,819.35, 43,909.85 and 17,671.29

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Solution

The fourth proportional to 31,819.35, 43,909.85 and 17,671.29 is: 24,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.35 : 43,909.85 = 17,671.29 : x
  2. Step 2: Convert to fraction form
    31,819.35/43,909.85 = 17,671.29/x
  3. Step 3: Cross multiply
    31,819.35x = 43,909.85 × 17,671.29
  4. Step 4: Simplify right side
    31,819.35x = 775,943,604.85
  5. Step 5: Solve for x
    x = 775,943,604.85/31,819.35
  6. Step 6: Final answer
    x = 24,385.90

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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.