Home / 43,992.73-65,939.49-21,821.98

Finding the Fourth Proportional to 43,992.73, 65,939.49 and 21,821.98

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Solution

The fourth proportional to 43,992.73, 65,939.49 and 21,821.98 is: 32,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.73 : 65,939.49 = 21,821.98 : x
  2. Step 2: Convert to fraction form
    43,992.73/65,939.49 = 21,821.98/x
  3. Step 3: Cross multiply
    43,992.73x = 65,939.49 × 21,821.98
  4. Step 4: Simplify right side
    43,992.73x = 1,438,930,231.99
  5. Step 5: Solve for x
    x = 1,438,930,231.99/43,992.73
  6. Step 6: Final answer
    x = 32,708.36

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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.