Home / 73,282.22-109,910.90-20,679.38

Finding the Fourth Proportional to 73,282.22, 109,910.90 and 20,679.38

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Solution

The fourth proportional to 73,282.22, 109,910.90 and 20,679.38 is: 31,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.22 : 109,910.90 = 20,679.38 : x
  2. Step 2: Convert to fraction form
    73,282.22/109,910.90 = 20,679.38/x
  3. Step 3: Cross multiply
    73,282.22x = 109,910.90 × 20,679.38
  4. Step 4: Simplify right side
    73,282.22x = 2,272,889,267.24
  5. Step 5: Solve for x
    x = 2,272,889,267.24/73,282.22
  6. Step 6: Final answer
    x = 31,015.56

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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.