Home / 53,906.20-80,896.20-18,845.86

Finding the Fourth Proportional to 53,906.20, 80,896.20 and 18,845.86

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Solution

The fourth proportional to 53,906.20, 80,896.20 and 18,845.86 is: 28,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.20 : 80,896.20 = 18,845.86 : x
  2. Step 2: Convert to fraction form
    53,906.20/80,896.20 = 18,845.86/x
  3. Step 3: Cross multiply
    53,906.20x = 80,896.20 × 18,845.86
  4. Step 4: Simplify right side
    53,906.20x = 1,524,558,459.73
  5. Step 5: Solve for x
    x = 1,524,558,459.73/53,906.20
  6. Step 6: Final answer
    x = 28,281.69

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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.