Home / 39,201.09-54,119.91-25,811.25

Finding the Fourth Proportional to 39,201.09, 54,119.91 and 25,811.25

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Solution

The fourth proportional to 39,201.09, 54,119.91 and 25,811.25 is: 35,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.09 : 54,119.91 = 25,811.25 : x
  2. Step 2: Convert to fraction form
    39,201.09/54,119.91 = 25,811.25/x
  3. Step 3: Cross multiply
    39,201.09x = 54,119.91 × 25,811.25
  4. Step 4: Simplify right side
    39,201.09x = 1,396,902,256.39
  5. Step 5: Solve for x
    x = 1,396,902,256.39/39,201.09
  6. Step 6: Final answer
    x = 35,634.28

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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.