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Finding the Fourth Proportional to 63,959.94, 95,940.14 and 19,586.51

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Solution

The fourth proportional to 63,959.94, 95,940.14 and 19,586.51 is: 29,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.94 : 95,940.14 = 19,586.51 : x
  2. Step 2: Convert to fraction form
    63,959.94/95,940.14 = 19,586.51/x
  3. Step 3: Cross multiply
    63,959.94x = 95,940.14 × 19,586.51
  4. Step 4: Simplify right side
    63,959.94x = 1,879,131,933.88
  5. Step 5: Solve for x
    x = 1,879,131,933.88/63,959.94
  6. Step 6: Final answer
    x = 29,379.83

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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.