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Finding the Fourth Proportional to 41,956.54, 57,870.54 and 27,611.80

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Solution

The fourth proportional to 41,956.54, 57,870.54 and 27,611.80 is: 38,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,956.54 : 57,870.54 = 27,611.80 : x
  2. Step 2: Convert to fraction form
    41,956.54/57,870.54 = 27,611.80/x
  3. Step 3: Cross multiply
    41,956.54x = 57,870.54 × 27,611.80
  4. Step 4: Simplify right side
    41,956.54x = 1,597,909,631.70
  5. Step 5: Solve for x
    x = 1,597,909,631.70/41,956.54
  6. Step 6: Final answer
    x = 38,084.88

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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.