Home / 39,759.20-54,872.88-25,653.08

Finding the Fourth Proportional to 39,759.20, 54,872.88 and 25,653.08

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Solution

The fourth proportional to 39,759.20, 54,872.88 and 25,653.08 is: 35,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.20 : 54,872.88 = 25,653.08 : x
  2. Step 2: Convert to fraction form
    39,759.20/54,872.88 = 25,653.08/x
  3. Step 3: Cross multiply
    39,759.20x = 54,872.88 × 25,653.08
  4. Step 4: Simplify right side
    39,759.20x = 1,407,658,380.47
  5. Step 5: Solve for x
    x = 1,407,658,380.47/39,759.20
  6. Step 6: Final answer
    x = 35,404.60

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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.