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Finding the Fourth Proportional to 49,891.51, 68,849.75 and 27,230.32

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Solution

The fourth proportional to 49,891.51, 68,849.75 and 27,230.32 is: 37,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,891.51 : 68,849.75 = 27,230.32 : x
  2. Step 2: Convert to fraction form
    49,891.51/68,849.75 = 27,230.32/x
  3. Step 3: Cross multiply
    49,891.51x = 68,849.75 × 27,230.32
  4. Step 4: Simplify right side
    49,891.51x = 1,874,800,620.37
  5. Step 5: Solve for x
    x = 1,874,800,620.37/49,891.51
  6. Step 6: Final answer
    x = 37,577.55

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1.5x scale

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.