Home / 36,199.38-49,956.54-21,101.78

Finding the Fourth Proportional to 36,199.38, 49,956.54 and 21,101.78

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Solution

The fourth proportional to 36,199.38, 49,956.54 and 21,101.78 is: 29,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199.38 : 49,956.54 = 21,101.78 : x
  2. Step 2: Convert to fraction form
    36,199.38/49,956.54 = 21,101.78/x
  3. Step 3: Cross multiply
    36,199.38x = 49,956.54 × 21,101.78
  4. Step 4: Simplify right side
    36,199.38x = 1,054,171,916.64
  5. Step 5: Solve for x
    x = 1,054,171,916.64/36,199.38
  6. Step 6: Final answer
    x = 29,121.27

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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.