Home / 45,910.42-68,865.94-12,634

Finding the Fourth Proportional to 45,910.42, 68,865.94 and 12,634

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Solution

The fourth proportional to 45,910.42, 68,865.94 and 12,634 is: 18,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.42 : 68,865.94 = 12,634 : x
  2. Step 2: Convert to fraction form
    45,910.42/68,865.94 = 12,634/x
  3. Step 3: Cross multiply
    45,910.42x = 68,865.94 × 12,634
  4. Step 4: Simplify right side
    45,910.42x = 870,052,285.96
  5. Step 5: Solve for x
    x = 870,052,285.96/45,910.42
  6. Step 6: Final answer
    x = 18,951.09

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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.