Home / 39,159.88-54,039.83-22,163.83

Finding the Fourth Proportional to 39,159.88, 54,039.83 and 22,163.83

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Solution

The fourth proportional to 39,159.88, 54,039.83 and 22,163.83 is: 30,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.88 : 54,039.83 = 22,163.83 : x
  2. Step 2: Convert to fraction form
    39,159.88/54,039.83 = 22,163.83/x
  3. Step 3: Cross multiply
    39,159.88x = 54,039.83 × 22,163.83
  4. Step 4: Simplify right side
    39,159.88x = 1,197,729,359.43
  5. Step 5: Solve for x
    x = 1,197,729,359.43/39,159.88
  6. Step 6: Final answer
    x = 30,585.63

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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.