Home / 39,301.12-54,198.12-30,334.42

Finding the Fourth Proportional to 39,301.12, 54,198.12 and 30,334.42

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Solution

The fourth proportional to 39,301.12, 54,198.12 and 30,334.42 is: 41,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.12 : 54,198.12 = 30,334.42 : x
  2. Step 2: Convert to fraction form
    39,301.12/54,198.12 = 30,334.42/x
  3. Step 3: Cross multiply
    39,301.12x = 54,198.12 × 30,334.42
  4. Step 4: Simplify right side
    39,301.12x = 1,644,068,535.29
  5. Step 5: Solve for x
    x = 1,644,068,535.29/39,301.12
  6. Step 6: Final answer
    x = 41,832.61

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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.