Home / 39,982.37-55,175.30-22,077.56

Finding the Fourth Proportional to 39,982.37, 55,175.30 and 22,077.56

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Solution

The fourth proportional to 39,982.37, 55,175.30 and 22,077.56 is: 30,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.37 : 55,175.30 = 22,077.56 : x
  2. Step 2: Convert to fraction form
    39,982.37/55,175.30 = 22,077.56/x
  3. Step 3: Cross multiply
    39,982.37x = 55,175.30 × 22,077.56
  4. Step 4: Simplify right side
    39,982.37x = 1,218,135,610.00
  5. Step 5: Solve for x
    x = 1,218,135,610.00/39,982.37
  6. Step 6: Final answer
    x = 30,466.82

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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.