Home / 33,067.22-45,619.89-18,723.75

Finding the Fourth Proportional to 33,067.22, 45,619.89 and 18,723.75

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Solution

The fourth proportional to 33,067.22, 45,619.89 and 18,723.75 is: 25,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.22 : 45,619.89 = 18,723.75 : x
  2. Step 2: Convert to fraction form
    33,067.22/45,619.89 = 18,723.75/x
  3. Step 3: Cross multiply
    33,067.22x = 45,619.89 × 18,723.75
  4. Step 4: Simplify right side
    33,067.22x = 854,175,415.39
  5. Step 5: Solve for x
    x = 854,175,415.39/33,067.22
  6. Step 6: Final answer
    x = 25,831.49

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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.