Home / 39,941.28-55,067.79-32,745.12

Finding the Fourth Proportional to 39,941.28, 55,067.79 and 32,745.12

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Solution

The fourth proportional to 39,941.28, 55,067.79 and 32,745.12 is: 45,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.28 : 55,067.79 = 32,745.12 : x
  2. Step 2: Convert to fraction form
    39,941.28/55,067.79 = 32,745.12/x
  3. Step 3: Cross multiply
    39,941.28x = 55,067.79 × 32,745.12
  4. Step 4: Simplify right side
    39,941.28x = 1,803,201,391.68
  5. Step 5: Solve for x
    x = 1,803,201,391.68/39,941.28
  6. Step 6: Final answer
    x = 45,146.31

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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.