Home / 74,599.25-111,897.77-18,439.37

Finding the Fourth Proportional to 74,599.25, 111,897.77 and 18,439.37

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Solution

The fourth proportional to 74,599.25, 111,897.77 and 18,439.37 is: 27,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.25 : 111,897.77 = 18,439.37 : x
  2. Step 2: Convert to fraction form
    74,599.25/111,897.77 = 18,439.37/x
  3. Step 3: Cross multiply
    74,599.25x = 111,897.77 × 18,439.37
  4. Step 4: Simplify right side
    74,599.25x = 2,063,324,383.20
  5. Step 5: Solve for x
    x = 2,063,324,383.20/74,599.25
  6. Step 6: Final answer
    x = 27,658.78

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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.