Home / 39,189.40-54,044.04-25,771.96

Finding the Fourth Proportional to 39,189.40, 54,044.04 and 25,771.96

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Solution

The fourth proportional to 39,189.40, 54,044.04 and 25,771.96 is: 35,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.40 : 54,044.04 = 25,771.96 : x
  2. Step 2: Convert to fraction form
    39,189.40/54,044.04 = 25,771.96/x
  3. Step 3: Cross multiply
    39,189.40x = 54,044.04 × 25,771.96
  4. Step 4: Simplify right side
    39,189.40x = 1,392,820,837.12
  5. Step 5: Solve for x
    x = 1,392,820,837.12/39,189.40
  6. Step 6: Final answer
    x = 35,540.75

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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.