Home / 66,249.86-99,343.58-19,493.42

Finding the Fourth Proportional to 66,249.86, 99,343.58 and 19,493.42

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Solution

The fourth proportional to 66,249.86, 99,343.58 and 19,493.42 is: 29,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.86 : 99,343.58 = 19,493.42 : x
  2. Step 2: Convert to fraction form
    66,249.86/99,343.58 = 19,493.42/x
  3. Step 3: Cross multiply
    66,249.86x = 99,343.58 × 19,493.42
  4. Step 4: Simplify right side
    66,249.86x = 1,936,546,129.24
  5. Step 5: Solve for x
    x = 1,936,546,129.24/66,249.86
  6. Step 6: Final answer
    x = 29,230.95

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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.