Home / 31,996.12-47,865.96-27,660.28

Finding the Fourth Proportional to 31,996.12, 47,865.96 and 27,660.28

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Solution

The fourth proportional to 31,996.12, 47,865.96 and 27,660.28 is: 41,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.12 : 47,865.96 = 27,660.28 : x
  2. Step 2: Convert to fraction form
    31,996.12/47,865.96 = 27,660.28/x
  3. Step 3: Cross multiply
    31,996.12x = 47,865.96 × 27,660.28
  4. Step 4: Simplify right side
    31,996.12x = 1,323,985,856.07
  5. Step 5: Solve for x
    x = 1,323,985,856.07/31,996.12
  6. Step 6: Final answer
    x = 41,379.58

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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.