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Finding the Fourth Proportional to 54,356.28, 81,547.02 and 16,914.39

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Solution

The fourth proportional to 54,356.28, 81,547.02 and 16,914.39 is: 25,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356.28 : 81,547.02 = 16,914.39 : x
  2. Step 2: Convert to fraction form
    54,356.28/81,547.02 = 16,914.39/x
  3. Step 3: Cross multiply
    54,356.28x = 81,547.02 × 16,914.39
  4. Step 4: Simplify right side
    54,356.28x = 1,379,318,099.62
  5. Step 5: Solve for x
    x = 1,379,318,099.62/54,356.28
  6. Step 6: Final answer
    x = 25,375.51

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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.