Home / 39,245.22-54,178.47-30,272.58

Finding the Fourth Proportional to 39,245.22, 54,178.47 and 30,272.58

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Solution

The fourth proportional to 39,245.22, 54,178.47 and 30,272.58 is: 41,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.22 : 54,178.47 = 30,272.58 : x
  2. Step 2: Convert to fraction form
    39,245.22/54,178.47 = 30,272.58/x
  3. Step 3: Cross multiply
    39,245.22x = 54,178.47 × 30,272.58
  4. Step 4: Simplify right side
    39,245.22x = 1,640,122,067.35
  5. Step 5: Solve for x
    x = 1,640,122,067.35/39,245.22
  6. Step 6: Final answer
    x = 41,791.64

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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.