Home / 39,174.42-54,062.28-22,179.51

Finding the Fourth Proportional to 39,174.42, 54,062.28 and 22,179.51

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Solution

The fourth proportional to 39,174.42, 54,062.28 and 22,179.51 is: 30,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.42 : 54,062.28 = 22,179.51 : x
  2. Step 2: Convert to fraction form
    39,174.42/54,062.28 = 22,179.51/x
  3. Step 3: Cross multiply
    39,174.42x = 54,062.28 × 22,179.51
  4. Step 4: Simplify right side
    39,174.42x = 1,199,074,879.88
  5. Step 5: Solve for x
    x = 1,199,074,879.88/39,174.42
  6. Step 6: Final answer
    x = 30,608.62

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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.