Home / 39,180.87-54,067.95-22,186.05

Finding the Fourth Proportional to 39,180.87, 54,067.95 and 22,186.05

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Solution

The fourth proportional to 39,180.87, 54,067.95 and 22,186.05 is: 30,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.87 : 54,067.95 = 22,186.05 : x
  2. Step 2: Convert to fraction form
    39,180.87/54,067.95 = 22,186.05/x
  3. Step 3: Cross multiply
    39,180.87x = 54,067.95 × 22,186.05
  4. Step 4: Simplify right side
    39,180.87x = 1,199,554,106.36
  5. Step 5: Solve for x
    x = 1,199,554,106.36/39,180.87
  6. Step 6: Final answer
    x = 30,615.81

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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.