Home / 49,738.56-74,611.20-18,573.12

Finding the Fourth Proportional to 49,738.56, 74,611.20 and 18,573.12

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Solution

The fourth proportional to 49,738.56, 74,611.20 and 18,573.12 is: 27,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.56 : 74,611.20 = 18,573.12 : x
  2. Step 2: Convert to fraction form
    49,738.56/74,611.20 = 18,573.12/x
  3. Step 3: Cross multiply
    49,738.56x = 74,611.20 × 18,573.12
  4. Step 4: Simplify right side
    49,738.56x = 1,385,762,770.94
  5. Step 5: Solve for x
    x = 1,385,762,770.94/49,738.56
  6. Step 6: Final answer
    x = 27,860.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.