Home / 33,020.66-49,539-18,989.66

Finding the Fourth Proportional to 33,020.66, 49,539 and 18,989.66

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Solution

The fourth proportional to 33,020.66, 49,539 and 18,989.66 is: 28,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,020.66 : 49,539 = 18,989.66 : x
  2. Step 2: Convert to fraction form
    33,020.66/49,539 = 18,989.66/x
  3. Step 3: Cross multiply
    33,020.66x = 49,539 × 18,989.66
  4. Step 4: Simplify right side
    33,020.66x = 940,728,766.74
  5. Step 5: Solve for x
    x = 940,728,766.74/33,020.66
  6. Step 6: Final answer
    x = 28,489.10

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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.