Home / 39,001.82-58,481.12-18,213.98

Finding the Fourth Proportional to 39,001.82, 58,481.12 and 18,213.98

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Solution

The fourth proportional to 39,001.82, 58,481.12 and 18,213.98 is: 27,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.82 : 58,481.12 = 18,213.98 : x
  2. Step 2: Convert to fraction form
    39,001.82/58,481.12 = 18,213.98/x
  3. Step 3: Cross multiply
    39,001.82x = 58,481.12 × 18,213.98
  4. Step 4: Simplify right side
    39,001.82x = 1,065,173,950.06
  5. Step 5: Solve for x
    x = 1,065,173,950.06/39,001.82
  6. Step 6: Final answer
    x = 27,310.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.