Home / 73,811.25-110,735.33-21,220.73

Finding the Fourth Proportional to 73,811.25, 110,735.33 and 21,220.73

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Solution

The fourth proportional to 73,811.25, 110,735.33 and 21,220.73 is: 31,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811.25 : 110,735.33 = 21,220.73 : x
  2. Step 2: Convert to fraction form
    73,811.25/110,735.33 = 21,220.73/x
  3. Step 3: Cross multiply
    73,811.25x = 110,735.33 × 21,220.73
  4. Step 4: Simplify right side
    73,811.25x = 2,349,884,977.44
  5. Step 5: Solve for x
    x = 2,349,884,977.44/73,811.25
  6. Step 6: Final answer
    x = 31,836.41

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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.