Home / 39,850.93-54,992.09-21,942.44

Finding the Fourth Proportional to 39,850.93, 54,992.09 and 21,942.44

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Solution

The fourth proportional to 39,850.93, 54,992.09 and 21,942.44 is: 30,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.93 : 54,992.09 = 21,942.44 : x
  2. Step 2: Convert to fraction form
    39,850.93/54,992.09 = 21,942.44/x
  3. Step 3: Cross multiply
    39,850.93x = 54,992.09 × 21,942.44
  4. Step 4: Simplify right side
    39,850.93x = 1,206,660,250.63
  5. Step 5: Solve for x
    x = 1,206,660,250.63/39,850.93
  6. Step 6: Final answer
    x = 30,279.35

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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.