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Finding the Fourth Proportional to 54,351, 81,538.20 and 16,910.28

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Solution

The fourth proportional to 54,351, 81,538.20 and 16,910.28 is: 25,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351 : 81,538.20 = 16,910.28 : x
  2. Step 2: Convert to fraction form
    54,351/81,538.20 = 16,910.28/x
  3. Step 3: Cross multiply
    54,351x = 81,538.20 × 16,910.28
  4. Step 4: Simplify right side
    54,351x = 1,378,833,792.70
  5. Step 5: Solve for x
    x = 1,378,833,792.70/54,351
  6. Step 6: Final answer
    x = 25,369.06

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1.5x scale

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.