Home / 66,396.38-99,614.07-19,650.47

Finding the Fourth Proportional to 66,396.38, 99,614.07 and 19,650.47

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Solution

The fourth proportional to 66,396.38, 99,614.07 and 19,650.47 is: 29,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.38 : 99,614.07 = 19,650.47 : x
  2. Step 2: Convert to fraction form
    66,396.38/99,614.07 = 19,650.47/x
  3. Step 3: Cross multiply
    66,396.38x = 99,614.07 × 19,650.47
  4. Step 4: Simplify right side
    66,396.38x = 1,957,462,796.04
  5. Step 5: Solve for x
    x = 1,957,462,796.04/66,396.38
  6. Step 6: Final answer
    x = 29,481.47

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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.