Home / 39,358.09-54,314.19-21,452.73

Finding the Fourth Proportional to 39,358.09, 54,314.19 and 21,452.73

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Solution

The fourth proportional to 39,358.09, 54,314.19 and 21,452.73 is: 29,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.09 : 54,314.19 = 21,452.73 : x
  2. Step 2: Convert to fraction form
    39,358.09/54,314.19 = 21,452.73/x
  3. Step 3: Cross multiply
    39,358.09x = 54,314.19 × 21,452.73
  4. Step 4: Simplify right side
    39,358.09x = 1,165,187,653.24
  5. Step 5: Solve for x
    x = 1,165,187,653.24/39,358.09
  6. Step 6: Final answer
    x = 29,604.78

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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.