Home / 33,312.30-49,968.45-11,121.54

Finding the Fourth Proportional to 33,312.30, 49,968.45 and 11,121.54

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Solution

The fourth proportional to 33,312.30, 49,968.45 and 11,121.54 is: 16,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.30 : 49,968.45 = 11,121.54 : x
  2. Step 2: Convert to fraction form
    33,312.30/49,968.45 = 11,121.54/x
  3. Step 3: Cross multiply
    33,312.30x = 49,968.45 × 11,121.54
  4. Step 4: Simplify right side
    33,312.30x = 555,726,115.41
  5. Step 5: Solve for x
    x = 555,726,115.41/33,312.30
  6. Step 6: Final answer
    x = 16,682.31

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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.