Home / 45,747.28-68,625.43-15,763.92

Finding the Fourth Proportional to 45,747.28, 68,625.43 and 15,763.92

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Solution

The fourth proportional to 45,747.28, 68,625.43 and 15,763.92 is: 23,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,747.28 : 68,625.43 = 15,763.92 : x
  2. Step 2: Convert to fraction form
    45,747.28/68,625.43 = 15,763.92/x
  3. Step 3: Cross multiply
    45,747.28x = 68,625.43 × 15,763.92
  4. Step 4: Simplify right side
    45,747.28x = 1,081,805,491.73
  5. Step 5: Solve for x
    x = 1,081,805,491.73/45,747.28
  6. Step 6: Final answer
    x = 23,647.43

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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.