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Finding the Fourth Proportional to 66,930, 100,395.24 and 17,682

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Solution

The fourth proportional to 66,930, 100,395.24 and 17,682 is: 26,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930 : 100,395.24 = 17,682 : x
  2. Step 2: Convert to fraction form
    66,930/100,395.24 = 17,682/x
  3. Step 3: Cross multiply
    66,930x = 100,395.24 × 17,682
  4. Step 4: Simplify right side
    66,930x = 1,775,188,633.68
  5. Step 5: Solve for x
    x = 1,775,188,633.68/66,930
  6. Step 6: Final answer
    x = 26,523.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.