Home / 39,662.68-54,771.54-25,540.36

Finding the Fourth Proportional to 39,662.68, 54,771.54 and 25,540.36

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Solution

The fourth proportional to 39,662.68, 54,771.54 and 25,540.36 is: 35,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.68 : 54,771.54 = 25,540.36 : x
  2. Step 2: Convert to fraction form
    39,662.68/54,771.54 = 25,540.36/x
  3. Step 3: Cross multiply
    39,662.68x = 54,771.54 × 25,540.36
  4. Step 4: Simplify right side
    39,662.68x = 1,398,884,849.35
  5. Step 5: Solve for x
    x = 1,398,884,849.35/39,662.68
  6. Step 6: Final answer
    x = 35,269.55

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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.