Home / 34,126.92-51,190.79-11,940.21

Finding the Fourth Proportional to 34,126.92, 51,190.79 and 11,940.21

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Solution

The fourth proportional to 34,126.92, 51,190.79 and 11,940.21 is: 17,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,126.92 : 51,190.79 = 11,940.21 : x
  2. Step 2: Convert to fraction form
    34,126.92/51,190.79 = 11,940.21/x
  3. Step 3: Cross multiply
    34,126.92x = 51,190.79 × 11,940.21
  4. Step 4: Simplify right side
    34,126.92x = 611,228,722.96
  5. Step 5: Solve for x
    x = 611,228,722.96/34,126.92
  6. Step 6: Final answer
    x = 17,910.46

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Double scale
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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.