Home / 72,324.73-108,504.41-30,181.36

Finding the Fourth Proportional to 72,324.73, 108,504.41 and 30,181.36

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Solution

The fourth proportional to 72,324.73, 108,504.41 and 30,181.36 is: 45,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324.73 : 108,504.41 = 30,181.36 : x
  2. Step 2: Convert to fraction form
    72,324.73/108,504.41 = 30,181.36/x
  3. Step 3: Cross multiply
    72,324.73x = 108,504.41 × 30,181.36
  4. Step 4: Simplify right side
    72,324.73x = 3,274,810,659.80
  5. Step 5: Solve for x
    x = 3,274,810,659.80/72,324.73
  6. Step 6: Final answer
    x = 45,279.27

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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.