Home / 31,383.03-43,308.62-17,236.83

Finding the Fourth Proportional to 31,383.03, 43,308.62 and 17,236.83

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Solution

The fourth proportional to 31,383.03, 43,308.62 and 17,236.83 is: 23,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.03 : 43,308.62 = 17,236.83 : x
  2. Step 2: Convert to fraction form
    31,383.03/43,308.62 = 17,236.83/x
  3. Step 3: Cross multiply
    31,383.03x = 43,308.62 × 17,236.83
  4. Step 4: Simplify right side
    31,383.03x = 746,503,234.29
  5. Step 5: Solve for x
    x = 746,503,234.29/31,383.03
  6. Step 6: Final answer
    x = 23,786.84

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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.