Home / 39,661.35-54,717.57-25,321.72

Finding the Fourth Proportional to 39,661.35, 54,717.57 and 25,321.72

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Solution

The fourth proportional to 39,661.35, 54,717.57 and 25,321.72 is: 34,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.35 : 54,717.57 = 25,321.72 : x
  2. Step 2: Convert to fraction form
    39,661.35/54,717.57 = 25,321.72/x
  3. Step 3: Cross multiply
    39,661.35x = 54,717.57 × 25,321.72
  4. Step 4: Simplify right side
    39,661.35x = 1,385,542,849.83
  5. Step 5: Solve for x
    x = 1,385,542,849.83/39,661.35
  6. Step 6: Final answer
    x = 34,934.33

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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.