Home / 39,174.60-54,062.46-22,179.56

Finding the Fourth Proportional to 39,174.60, 54,062.46 and 22,179.56

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Solution

The fourth proportional to 39,174.60, 54,062.46 and 22,179.56 is: 30,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.60 : 54,062.46 = 22,179.56 : x
  2. Step 2: Convert to fraction form
    39,174.60/54,062.46 = 22,179.56/x
  3. Step 3: Cross multiply
    39,174.60x = 54,062.46 × 22,179.56
  4. Step 4: Simplify right side
    39,174.60x = 1,199,081,575.32
  5. Step 5: Solve for x
    x = 1,199,081,575.32/39,174.60
  6. Step 6: Final answer
    x = 30,608.65

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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.