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Finding the Fourth Proportional to 36,625.92, 54,942.91 and 11,660.12

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Solution

The fourth proportional to 36,625.92, 54,942.91 and 11,660.12 is: 17,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,625.92 : 54,942.91 = 11,660.12 : x
  2. Step 2: Convert to fraction form
    36,625.92/54,942.91 = 11,660.12/x
  3. Step 3: Cross multiply
    36,625.92x = 54,942.91 × 11,660.12
  4. Step 4: Simplify right side
    36,625.92x = 640,640,923.75
  5. Step 5: Solve for x
    x = 640,640,923.75/36,625.92
  6. Step 6: Final answer
    x = 17,491.46

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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.