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Finding the Fourth Proportional to 34,606, 47,756.28 and 19,704.88

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Solution

The fourth proportional to 34,606, 47,756.28 and 19,704.88 is: 27,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,606 : 47,756.28 = 19,704.88 : x
  2. Step 2: Convert to fraction form
    34,606/47,756.28 = 19,704.88/x
  3. Step 3: Cross multiply
    34,606x = 47,756.28 × 19,704.88
  4. Step 4: Simplify right side
    34,606x = 941,031,766.65
  5. Step 5: Solve for x
    x = 941,031,766.65/34,606
  6. Step 6: Final answer
    x = 27,192.73

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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.