Home / 39,982.76-55,175.83-22,077.37

Finding the Fourth Proportional to 39,982.76, 55,175.83 and 22,077.37

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Solution

The fourth proportional to 39,982.76, 55,175.83 and 22,077.37 is: 30,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.76 : 55,175.83 = 22,077.37 : x
  2. Step 2: Convert to fraction form
    39,982.76/55,175.83 = 22,077.37/x
  3. Step 3: Cross multiply
    39,982.76x = 55,175.83 × 22,077.37
  4. Step 4: Simplify right side
    39,982.76x = 1,218,137,213.97
  5. Step 5: Solve for x
    x = 1,218,137,213.97/39,982.76
  6. Step 6: Final answer
    x = 30,466.56

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1.5x scale

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.