Home / 39,936.80-55,112.10-22,033.52

Finding the Fourth Proportional to 39,936.80, 55,112.10 and 22,033.52

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Solution

The fourth proportional to 39,936.80, 55,112.10 and 22,033.52 is: 30,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.80 : 55,112.10 = 22,033.52 : x
  2. Step 2: Convert to fraction form
    39,936.80/55,112.10 = 22,033.52/x
  3. Step 3: Cross multiply
    39,936.80x = 55,112.10 × 22,033.52
  4. Step 4: Simplify right side
    39,936.80x = 1,214,313,557.59
  5. Step 5: Solve for x
    x = 1,214,313,557.59/39,936.80
  6. Step 6: Final answer
    x = 30,405.88

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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.