Home / 49,911.54-68,883.99-28,690.80

Finding the Fourth Proportional to 49,911.54, 68,883.99 and 28,690.80

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Solution

The fourth proportional to 49,911.54, 68,883.99 and 28,690.80 is: 39,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.54 : 68,883.99 = 28,690.80 : x
  2. Step 2: Convert to fraction form
    49,911.54/68,883.99 = 28,690.80/x
  3. Step 3: Cross multiply
    49,911.54x = 68,883.99 × 28,690.80
  4. Step 4: Simplify right side
    49,911.54x = 1,976,336,780.29
  5. Step 5: Solve for x
    x = 1,976,336,780.29/49,911.54
  6. Step 6: Final answer
    x = 39,596.79

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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.