Home / 31,383.20-43,308.84-17,042.76

Finding the Fourth Proportional to 31,383.20, 43,308.84 and 17,042.76

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Solution

The fourth proportional to 31,383.20, 43,308.84 and 17,042.76 is: 23,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.20 : 43,308.84 = 17,042.76 : x
  2. Step 2: Convert to fraction form
    31,383.20/43,308.84 = 17,042.76/x
  3. Step 3: Cross multiply
    31,383.20x = 43,308.84 × 17,042.76
  4. Step 4: Simplify right side
    31,383.20x = 738,102,229.91
  5. Step 5: Solve for x
    x = 738,102,229.91/31,383.20
  6. Step 6: Final answer
    x = 23,519.02

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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.