Home / 39,763.98-54,855.90-25,420.03

Finding the Fourth Proportional to 39,763.98, 54,855.90 and 25,420.03

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Solution

The fourth proportional to 39,763.98, 54,855.90 and 25,420.03 is: 35,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.98 : 54,855.90 = 25,420.03 : x
  2. Step 2: Convert to fraction form
    39,763.98/54,855.90 = 25,420.03/x
  3. Step 3: Cross multiply
    39,763.98x = 54,855.90 × 25,420.03
  4. Step 4: Simplify right side
    39,763.98x = 1,394,438,486.54
  5. Step 5: Solve for x
    x = 1,394,438,486.54/39,763.98
  6. Step 6: Final answer
    x = 35,067.88

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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.