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Finding the Fourth Proportional to 50,243.84, 69,338.88 and 27,888

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Solution

The fourth proportional to 50,243.84, 69,338.88 and 27,888 is: 38,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,243.84 : 69,338.88 = 27,888 : x
  2. Step 2: Convert to fraction form
    50,243.84/69,338.88 = 27,888/x
  3. Step 3: Cross multiply
    50,243.84x = 69,338.88 × 27,888
  4. Step 4: Simplify right side
    50,243.84x = 1,933,722,685.44
  5. Step 5: Solve for x
    x = 1,933,722,685.44/50,243.84
  6. Step 6: Final answer
    x = 38,486.76

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Double scale
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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.