Home / 43,501.73-65,207.03-18,215.75

Finding the Fourth Proportional to 43,501.73, 65,207.03 and 18,215.75

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Solution

The fourth proportional to 43,501.73, 65,207.03 and 18,215.75 is: 27,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.73 : 65,207.03 = 18,215.75 : x
  2. Step 2: Convert to fraction form
    43,501.73/65,207.03 = 18,215.75/x
  3. Step 3: Cross multiply
    43,501.73x = 65,207.03 × 18,215.75
  4. Step 4: Simplify right side
    43,501.73x = 1,187,795,028.66
  5. Step 5: Solve for x
    x = 1,187,795,028.66/43,501.73
  6. Step 6: Final answer
    x = 27,304.55

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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.