Home / 39,957.52-55,139.56-22,949.80

Finding the Fourth Proportional to 39,957.52, 55,139.56 and 22,949.80

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Solution

The fourth proportional to 39,957.52, 55,139.56 and 22,949.80 is: 31,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.52 : 55,139.56 = 22,949.80 : x
  2. Step 2: Convert to fraction form
    39,957.52/55,139.56 = 22,949.80/x
  3. Step 3: Cross multiply
    39,957.52x = 55,139.56 × 22,949.80
  4. Step 4: Simplify right side
    39,957.52x = 1,265,441,874.09
  5. Step 5: Solve for x
    x = 1,265,441,874.09/39,957.52
  6. Step 6: Final answer
    x = 31,669.68

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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.