Home / 31,244.34-43,116.11-17,819.92

Finding the Fourth Proportional to 31,244.34, 43,116.11 and 17,819.92

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Solution

The fourth proportional to 31,244.34, 43,116.11 and 17,819.92 is: 24,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.34 : 43,116.11 = 17,819.92 : x
  2. Step 2: Convert to fraction form
    31,244.34/43,116.11 = 17,819.92/x
  3. Step 3: Cross multiply
    31,244.34x = 43,116.11 × 17,819.92
  4. Step 4: Simplify right side
    31,244.34x = 768,325,520.24
  5. Step 5: Solve for x
    x = 768,325,520.24/31,244.34
  6. Step 6: Final answer
    x = 24,590.87

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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.