Home / 43,992.82-66,014.07-20,619.46

Finding the Fourth Proportional to 43,992.82, 66,014.07 and 20,619.46

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Solution

The fourth proportional to 43,992.82, 66,014.07 and 20,619.46 is: 30,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.82 : 66,014.07 = 20,619.46 : x
  2. Step 2: Convert to fraction form
    43,992.82/66,014.07 = 20,619.46/x
  3. Step 3: Cross multiply
    43,992.82x = 66,014.07 × 20,619.46
  4. Step 4: Simplify right side
    43,992.82x = 1,361,174,475.80
  5. Step 5: Solve for x
    x = 1,361,174,475.80/43,992.82
  6. Step 6: Final answer
    x = 30,940.83

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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.