Home / 72,254.72-108,340.32-22,321.46

Finding the Fourth Proportional to 72,254.72, 108,340.32 and 22,321.46

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Solution

The fourth proportional to 72,254.72, 108,340.32 and 22,321.46 is: 33,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,254.72 : 108,340.32 = 22,321.46 : x
  2. Step 2: Convert to fraction form
    72,254.72/108,340.32 = 22,321.46/x
  3. Step 3: Cross multiply
    72,254.72x = 108,340.32 × 22,321.46
  4. Step 4: Simplify right side
    72,254.72x = 2,418,314,119.27
  5. Step 5: Solve for x
    x = 2,418,314,119.27/72,254.72
  6. Step 6: Final answer
    x = 33,469.29

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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.