Home / 30,669.27-45,982.38-11,933.52

Finding the Fourth Proportional to 30,669.27, 45,982.38 and 11,933.52

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Solution

The fourth proportional to 30,669.27, 45,982.38 and 11,933.52 is: 17,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.27 : 45,982.38 = 11,933.52 : x
  2. Step 2: Convert to fraction form
    30,669.27/45,982.38 = 11,933.52/x
  3. Step 3: Cross multiply
    30,669.27x = 45,982.38 × 11,933.52
  4. Step 4: Simplify right side
    30,669.27x = 548,731,651.38
  5. Step 5: Solve for x
    x = 548,731,651.38/30,669.27
  6. Step 6: Final answer
    x = 17,891.90

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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.