Home / 33,316.14-49,957.65-11,121.90

Finding the Fourth Proportional to 33,316.14, 49,957.65 and 11,121.90

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Solution

The fourth proportional to 33,316.14, 49,957.65 and 11,121.90 is: 16,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.14 : 49,957.65 = 11,121.90 : x
  2. Step 2: Convert to fraction form
    33,316.14/49,957.65 = 11,121.90/x
  3. Step 3: Cross multiply
    33,316.14x = 49,957.65 × 11,121.90
  4. Step 4: Simplify right side
    33,316.14x = 555,623,987.54
  5. Step 5: Solve for x
    x = 555,623,987.54/33,316.14
  6. Step 6: Final answer
    x = 16,677.32

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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.