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Finding the Fourth Proportional to 54,049.44, 81,074.16 and 16,609.44

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Solution

The fourth proportional to 54,049.44, 81,074.16 and 16,609.44 is: 24,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.44 : 81,074.16 = 16,609.44 : x
  2. Step 2: Convert to fraction form
    54,049.44/81,074.16 = 16,609.44/x
  3. Step 3: Cross multiply
    54,049.44x = 81,074.16 × 16,609.44
  4. Step 4: Simplify right side
    54,049.44x = 1,346,596,396.07
  5. Step 5: Solve for x
    x = 1,346,596,396.07/54,049.44
  6. Step 6: Final answer
    x = 24,914.16

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Similar ratio
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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.