Home / 39,171.44-54,059.94-22,178.68

Finding the Fourth Proportional to 39,171.44, 54,059.94 and 22,178.68

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Solution

The fourth proportional to 39,171.44, 54,059.94 and 22,178.68 is: 30,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.44 : 54,059.94 = 22,178.68 : x
  2. Step 2: Convert to fraction form
    39,171.44/54,059.94 = 22,178.68/x
  3. Step 3: Cross multiply
    39,171.44x = 54,059.94 × 22,178.68
  4. Step 4: Simplify right side
    39,171.44x = 1,198,978,043.80
  5. Step 5: Solve for x
    x = 1,198,978,043.80/39,171.44
  6. Step 6: Final answer
    x = 30,608.47

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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.