Home / 23,680.11-35,481.14-21,238.56

Finding the Fourth Proportional to 23,680.11, 35,481.14 and 21,238.56

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Solution

The fourth proportional to 23,680.11, 35,481.14 and 21,238.56 is: 31,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.11 : 35,481.14 = 21,238.56 : x
  2. Step 2: Convert to fraction form
    23,680.11/35,481.14 = 21,238.56/x
  3. Step 3: Cross multiply
    23,680.11x = 35,481.14 × 21,238.56
  4. Step 4: Simplify right side
    23,680.11x = 753,568,214.57
  5. Step 5: Solve for x
    x = 753,568,214.57/23,680.11
  6. Step 6: Final answer
    x = 31,822.83

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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.