Home / 39,190.40-54,045.42-25,772.96

Finding the Fourth Proportional to 39,190.40, 54,045.42 and 25,772.96

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Solution

The fourth proportional to 39,190.40, 54,045.42 and 25,772.96 is: 35,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.40 : 54,045.42 = 25,772.96 : x
  2. Step 2: Convert to fraction form
    39,190.40/54,045.42 = 25,772.96/x
  3. Step 3: Cross multiply
    39,190.40x = 54,045.42 × 25,772.96
  4. Step 4: Simplify right side
    39,190.40x = 1,392,910,447.84
  5. Step 5: Solve for x
    x = 1,392,910,447.84/39,190.40
  6. Step 6: Final answer
    x = 35,542.13

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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.