Home / 73,273.40-109,910.28-20,682.86

Finding the Fourth Proportional to 73,273.40, 109,910.28 and 20,682.86

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Solution

The fourth proportional to 73,273.40, 109,910.28 and 20,682.86 is: 31,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,273.40 : 109,910.28 = 20,682.86 : x
  2. Step 2: Convert to fraction form
    73,273.40/109,910.28 = 20,682.86/x
  3. Step 3: Cross multiply
    73,273.40x = 109,910.28 × 20,682.86
  4. Step 4: Simplify right side
    73,273.40x = 2,273,258,933.80
  5. Step 5: Solve for x
    x = 2,273,258,933.80/73,273.40
  6. Step 6: Final answer
    x = 31,024.34

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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.