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Finding the Fourth Proportional to 30,436.56, 45,654.84 and 8,249.94

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Solution

The fourth proportional to 30,436.56, 45,654.84 and 8,249.94 is: 12,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.56 : 45,654.84 = 8,249.94 : x
  2. Step 2: Convert to fraction form
    30,436.56/45,654.84 = 8,249.94/x
  3. Step 3: Cross multiply
    30,436.56x = 45,654.84 × 8,249.94
  4. Step 4: Simplify right side
    30,436.56x = 376,649,690.71
  5. Step 5: Solve for x
    x = 376,649,690.71/30,436.56
  6. Step 6: Final answer
    x = 12,374.91

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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.