Home / 45,829.75-68,745.03-18,127.75

Finding the Fourth Proportional to 45,829.75, 68,745.03 and 18,127.75

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Solution

The fourth proportional to 45,829.75, 68,745.03 and 18,127.75 is: 27,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,829.75 : 68,745.03 = 18,127.75 : x
  2. Step 2: Convert to fraction form
    45,829.75/68,745.03 = 18,127.75/x
  3. Step 3: Cross multiply
    45,829.75x = 68,745.03 × 18,127.75
  4. Step 4: Simplify right side
    45,829.75x = 1,246,192,717.58
  5. Step 5: Solve for x
    x = 1,246,192,717.58/45,829.75
  6. Step 6: Final answer
    x = 27,191.79

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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.