Home / 39,398.75-54,370.28-25,251.60

Finding the Fourth Proportional to 39,398.75, 54,370.28 and 25,251.60

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Solution

The fourth proportional to 39,398.75, 54,370.28 and 25,251.60 is: 34,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.75 : 54,370.28 = 25,251.60 : x
  2. Step 2: Convert to fraction form
    39,398.75/54,370.28 = 25,251.60/x
  3. Step 3: Cross multiply
    39,398.75x = 54,370.28 × 25,251.60
  4. Step 4: Simplify right side
    39,398.75x = 1,372,936,436.19
  5. Step 5: Solve for x
    x = 1,372,936,436.19/39,398.75
  6. Step 6: Final answer
    x = 34,847.21

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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.