Home / 37,626.54-51,936.09-21,721.38

Finding the Fourth Proportional to 37,626.54, 51,936.09 and 21,721.38

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Solution

The fourth proportional to 37,626.54, 51,936.09 and 21,721.38 is: 29,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.54 : 51,936.09 = 21,721.38 : x
  2. Step 2: Convert to fraction form
    37,626.54/51,936.09 = 21,721.38/x
  3. Step 3: Cross multiply
    37,626.54x = 51,936.09 × 21,721.38
  4. Step 4: Simplify right side
    37,626.54x = 1,128,123,546.60
  5. Step 5: Solve for x
    x = 1,128,123,546.60/37,626.54
  6. Step 6: Final answer
    x = 29,982.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.