Home / 49,408.25-74,112.39-11,968.35

Finding the Fourth Proportional to 49,408.25, 74,112.39 and 11,968.35

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Solution

The fourth proportional to 49,408.25, 74,112.39 and 11,968.35 is: 17,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.25 : 74,112.39 = 11,968.35 : x
  2. Step 2: Convert to fraction form
    49,408.25/74,112.39 = 11,968.35/x
  3. Step 3: Cross multiply
    49,408.25x = 74,112.39 × 11,968.35
  4. Step 4: Simplify right side
    49,408.25x = 887,002,987.04
  5. Step 5: Solve for x
    x = 887,002,987.04/49,408.25
  6. Step 6: Final answer
    x = 17,952.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.