Home / 49,859.72-68,812.77-28,357.86

Finding the Fourth Proportional to 49,859.72, 68,812.77 and 28,357.86

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Solution

The fourth proportional to 49,859.72, 68,812.77 and 28,357.86 is: 39,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.72 : 68,812.77 = 28,357.86 : x
  2. Step 2: Convert to fraction form
    49,859.72/68,812.77 = 28,357.86/x
  3. Step 3: Cross multiply
    49,859.72x = 68,812.77 × 28,357.86
  4. Step 4: Simplify right side
    49,859.72x = 1,951,383,262.26
  5. Step 5: Solve for x
    x = 1,951,383,262.26/49,859.72
  6. Step 6: Final answer
    x = 39,137.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.