Home / 33,828.21-50,789.25-21,311.28

Finding the Fourth Proportional to 33,828.21, 50,789.25 and 21,311.28

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Solution

The fourth proportional to 33,828.21, 50,789.25 and 21,311.28 is: 31,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.21 : 50,789.25 = 21,311.28 : x
  2. Step 2: Convert to fraction form
    33,828.21/50,789.25 = 21,311.28/x
  3. Step 3: Cross multiply
    33,828.21x = 50,789.25 × 21,311.28
  4. Step 4: Simplify right side
    33,828.21x = 1,082,383,927.74
  5. Step 5: Solve for x
    x = 1,082,383,927.74/33,828.21
  6. Step 6: Final answer
    x = 31,996.49

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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.