Home / 39,983.31-55,177.83-22,079.45

Finding the Fourth Proportional to 39,983.31, 55,177.83 and 22,079.45

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Solution

The fourth proportional to 39,983.31, 55,177.83 and 22,079.45 is: 30,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.31 : 55,177.83 = 22,079.45 : x
  2. Step 2: Convert to fraction form
    39,983.31/55,177.83 = 22,079.45/x
  3. Step 3: Cross multiply
    39,983.31x = 55,177.83 × 22,079.45
  4. Step 4: Simplify right side
    39,983.31x = 1,218,296,276.54
  5. Step 5: Solve for x
    x = 1,218,296,276.54/39,983.31
  6. Step 6: Final answer
    x = 30,470.12

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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.