Home / 53,843.86-80,782.26-18,786.52

Finding the Fourth Proportional to 53,843.86, 80,782.26 and 18,786.52

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Solution

The fourth proportional to 53,843.86, 80,782.26 and 18,786.52 is: 28,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,843.86 : 80,782.26 = 18,786.52 : x
  2. Step 2: Convert to fraction form
    53,843.86/80,782.26 = 18,786.52/x
  3. Step 3: Cross multiply
    53,843.86x = 80,782.26 × 18,786.52
  4. Step 4: Simplify right side
    53,843.86x = 1,517,617,543.14
  5. Step 5: Solve for x
    x = 1,517,617,543.14/53,843.86
  6. Step 6: Final answer
    x = 28,185.53

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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.