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Finding the Fourth Proportional to 30,482.78, 45,723.87 and 8,295.98

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Solution

The fourth proportional to 30,482.78, 45,723.87 and 8,295.98 is: 12,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.78 : 45,723.87 = 8,295.98 : x
  2. Step 2: Convert to fraction form
    30,482.78/45,723.87 = 8,295.98/x
  3. Step 3: Cross multiply
    30,482.78x = 45,723.87 × 8,295.98
  4. Step 4: Simplify right side
    30,482.78x = 379,324,082.42
  5. Step 5: Solve for x
    x = 379,324,082.42/30,482.78
  6. Step 6: Final answer
    x = 12,443.88

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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.