Home / 53,850.26-80,812.31-18,789.92

Finding the Fourth Proportional to 53,850.26, 80,812.31 and 18,789.92

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Solution

The fourth proportional to 53,850.26, 80,812.31 and 18,789.92 is: 28,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.26 : 80,812.31 = 18,789.92 : x
  2. Step 2: Convert to fraction form
    53,850.26/80,812.31 = 18,789.92/x
  3. Step 3: Cross multiply
    53,850.26x = 80,812.31 × 18,789.92
  4. Step 4: Simplify right side
    53,850.26x = 1,518,456,341.90
  5. Step 5: Solve for x
    x = 1,518,456,341.90/53,850.26
  6. Step 6: Final answer
    x = 28,197.76

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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.