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Finding the Fourth Proportional to 66,996, 100,494 and 17,748

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Solution

The fourth proportional to 66,996, 100,494 and 17,748 is: 26,622

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996 : 100,494 = 17,748 : x
  2. Step 2: Convert to fraction form
    66,996/100,494 = 17,748/x
  3. Step 3: Cross multiply
    66,996x = 100,494 × 17,748
  4. Step 4: Simplify right side
    66,996x = 1,783,567,512
  5. Step 5: Solve for x
    x = 1,783,567,512/66,996
  6. Step 6: Final answer
    x = 26,622

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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.