Home / 36,834.78-50,837.79-21,729.14

Finding the Fourth Proportional to 36,834.78, 50,837.79 and 21,729.14

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Solution

The fourth proportional to 36,834.78, 50,837.79 and 21,729.14 is: 29,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.78 : 50,837.79 = 21,729.14 : x
  2. Step 2: Convert to fraction form
    36,834.78/50,837.79 = 21,729.14/x
  3. Step 3: Cross multiply
    36,834.78x = 50,837.79 × 21,729.14
  4. Step 4: Simplify right side
    36,834.78x = 1,104,661,202.01
  5. Step 5: Solve for x
    x = 1,104,661,202.01/36,834.78
  6. Step 6: Final answer
    x = 29,989.62

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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.