Home / 31,508.63-43,481.39-17,168.63

Finding the Fourth Proportional to 31,508.63, 43,481.39 and 17,168.63

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Solution

The fourth proportional to 31,508.63, 43,481.39 and 17,168.63 is: 23,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.63 : 43,481.39 = 17,168.63 : x
  2. Step 2: Convert to fraction form
    31,508.63/43,481.39 = 17,168.63/x
  3. Step 3: Cross multiply
    31,508.63x = 43,481.39 × 17,168.63
  4. Step 4: Simplify right side
    31,508.63x = 746,515,991.85
  5. Step 5: Solve for x
    x = 746,515,991.85/31,508.63
  6. Step 6: Final answer
    x = 23,692.43

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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.