Home / 45,233.12-67,828.11-20,273.37

Finding the Fourth Proportional to 45,233.12, 67,828.11 and 20,273.37

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Solution

The fourth proportional to 45,233.12, 67,828.11 and 20,273.37 is: 30,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.12 : 67,828.11 = 20,273.37 : x
  2. Step 2: Convert to fraction form
    45,233.12/67,828.11 = 20,273.37/x
  3. Step 3: Cross multiply
    45,233.12x = 67,828.11 × 20,273.37
  4. Step 4: Simplify right side
    45,233.12x = 1,375,104,370.43
  5. Step 5: Solve for x
    x = 1,375,104,370.43/45,233.12
  6. Step 6: Final answer
    x = 30,400.39

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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.