Home / 39,982.56-55,175.92-22,077.60

Finding the Fourth Proportional to 39,982.56, 55,175.92 and 22,077.60

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Solution

The fourth proportional to 39,982.56, 55,175.92 and 22,077.60 is: 30,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.56 : 55,175.92 = 22,077.60 : x
  2. Step 2: Convert to fraction form
    39,982.56/55,175.92 = 22,077.60/x
  3. Step 3: Cross multiply
    39,982.56x = 55,175.92 × 22,077.60
  4. Step 4: Simplify right side
    39,982.56x = 1,218,151,891.39
  5. Step 5: Solve for x
    x = 1,218,151,891.39/39,982.56
  6. Step 6: Final answer
    x = 30,467.08

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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.