Home / 39,975.88-55,171.38-33,249.64

Finding the Fourth Proportional to 39,975.88, 55,171.38 and 33,249.64

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Solution

The fourth proportional to 39,975.88, 55,171.38 and 33,249.64 is: 45,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.88 : 55,171.38 = 33,249.64 : x
  2. Step 2: Convert to fraction form
    39,975.88/55,171.38 = 33,249.64/x
  3. Step 3: Cross multiply
    39,975.88x = 55,171.38 × 33,249.64
  4. Step 4: Simplify right side
    39,975.88x = 1,834,428,523.30
  5. Step 5: Solve for x
    x = 1,834,428,523.30/39,975.88
  6. Step 6: Final answer
    x = 45,888.38

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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.