Home / 31,675,481.20-43,712,164.06-17,188,793.20

Finding the Fourth Proportional to 31,675,481.20, 43,712,164.06 and 17,188,793.20

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Solution

The fourth proportional to 31,675,481.20, 43,712,164.06 and 17,188,793.20 is: 23,720,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,481.20 : 43,712,164.06 = 17,188,793.20 : x
  2. Step 2: Convert to fraction form
    31,675,481.20/43,712,164.06 = 17,188,793.20/x
  3. Step 3: Cross multiply
    31,675,481.20x = 43,712,164.06 × 17,188,793.20
  4. Step 4: Simplify right side
    31,675,481.20x = 751,359,348,351,812.38
  5. Step 5: Solve for x
    x = 751,359,348,351,812.38/31,675,481.20
  6. Step 6: Final answer
    x = 23,720,534.62

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Double scale
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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.