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Finding the Fourth Proportional to 54,626, 81,952 and 17,690

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Solution

The fourth proportional to 54,626, 81,952 and 17,690 is: 26,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,626 : 81,952 = 17,690 : x
  2. Step 2: Convert to fraction form
    54,626/81,952 = 17,690/x
  3. Step 3: Cross multiply
    54,626x = 81,952 × 17,690
  4. Step 4: Simplify right side
    54,626x = 1,449,730,880
  5. Step 5: Solve for x
    x = 1,449,730,880/54,626
  6. Step 6: Final answer
    x = 26,539.21

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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.