Home / 39,984.41-55,178.46-22,079.36

Finding the Fourth Proportional to 39,984.41, 55,178.46 and 22,079.36

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Solution

The fourth proportional to 39,984.41, 55,178.46 and 22,079.36 is: 30,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.41 : 55,178.46 = 22,079.36 : x
  2. Step 2: Convert to fraction form
    39,984.41/55,178.46 = 22,079.36/x
  3. Step 3: Cross multiply
    39,984.41x = 55,178.46 × 22,079.36
  4. Step 4: Simplify right side
    39,984.41x = 1,218,304,806.69
  5. Step 5: Solve for x
    x = 1,218,304,806.69/39,984.41
  6. Step 6: Final answer
    x = 30,469.50

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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.