Home / 39,845.70-54,992.39-25,739.55

Finding the Fourth Proportional to 39,845.70, 54,992.39 and 25,739.55

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Solution

The fourth proportional to 39,845.70, 54,992.39 and 25,739.55 is: 35,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.70 : 54,992.39 = 25,739.55 : x
  2. Step 2: Convert to fraction form
    39,845.70/54,992.39 = 25,739.55/x
  3. Step 3: Cross multiply
    39,845.70x = 54,992.39 × 25,739.55
  4. Step 4: Simplify right side
    39,845.70x = 1,415,479,243.33
  5. Step 5: Solve for x
    x = 1,415,479,243.33/39,845.70
  6. Step 6: Final answer
    x = 35,524.01

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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.