Home / 33,620.70-50,419.29-9,921.96

Finding the Fourth Proportional to 33,620.70, 50,419.29 and 9,921.96

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Solution

The fourth proportional to 33,620.70, 50,419.29 and 9,921.96 is: 14,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.70 : 50,419.29 = 9,921.96 : x
  2. Step 2: Convert to fraction form
    33,620.70/50,419.29 = 9,921.96/x
  3. Step 3: Cross multiply
    33,620.70x = 50,419.29 × 9,921.96
  4. Step 4: Simplify right side
    33,620.70x = 500,258,178.61
  5. Step 5: Solve for x
    x = 500,258,178.61/33,620.70
  6. Step 6: Final answer
    x = 14,879.47

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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.