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Finding the Fourth Proportional to 29,889.69, 44,837.75 and 11,178.69

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Solution

The fourth proportional to 29,889.69, 44,837.75 and 11,178.69 is: 16,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.69 : 44,837.75 = 11,178.69 : x
  2. Step 2: Convert to fraction form
    29,889.69/44,837.75 = 11,178.69/x
  3. Step 3: Cross multiply
    29,889.69x = 44,837.75 × 11,178.69
  4. Step 4: Simplify right side
    29,889.69x = 501,227,251.65
  5. Step 5: Solve for x
    x = 501,227,251.65/29,889.69
  6. Step 6: Final answer
    x = 16,769.24

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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.