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Finding the Fourth Proportional to 55,244, 82,878.96 and 18,308

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Solution

The fourth proportional to 55,244, 82,878.96 and 18,308 is: 27,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244 : 82,878.96 = 18,308 : x
  2. Step 2: Convert to fraction form
    55,244/82,878.96 = 18,308/x
  3. Step 3: Cross multiply
    55,244x = 82,878.96 × 18,308
  4. Step 4: Simplify right side
    55,244x = 1,517,347,999.68
  5. Step 5: Solve for x
    x = 1,517,347,999.68/55,244
  6. Step 6: Final answer
    x = 27,466.29

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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.