Home / 39,671.28-54,738.72-25,522.20

Finding the Fourth Proportional to 39,671.28, 54,738.72 and 25,522.20

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Solution

The fourth proportional to 39,671.28, 54,738.72 and 25,522.20 is: 35,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.28 : 54,738.72 = 25,522.20 : x
  2. Step 2: Convert to fraction form
    39,671.28/54,738.72 = 25,522.20/x
  3. Step 3: Cross multiply
    39,671.28x = 54,738.72 × 25,522.20
  4. Step 4: Simplify right side
    39,671.28x = 1,397,052,559.58
  5. Step 5: Solve for x
    x = 1,397,052,559.58/39,671.28
  6. Step 6: Final answer
    x = 35,215.72

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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.