Home / 39,660.85-54,716.88-25,321.22

Finding the Fourth Proportional to 39,660.85, 54,716.88 and 25,321.22

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Solution

The fourth proportional to 39,660.85, 54,716.88 and 25,321.22 is: 34,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.85 : 54,716.88 = 25,321.22 : x
  2. Step 2: Convert to fraction form
    39,660.85/54,716.88 = 25,321.22/x
  3. Step 3: Cross multiply
    39,660.85x = 54,716.88 × 25,321.22
  4. Step 4: Simplify right side
    39,660.85x = 1,385,498,156.19
  5. Step 5: Solve for x
    x = 1,385,498,156.19/39,660.85
  6. Step 6: Final answer
    x = 34,933.65

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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.