Home / 33,318.30-49,975.62-11,129.36

Finding the Fourth Proportional to 33,318.30, 49,975.62 and 11,129.36

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Solution

The fourth proportional to 33,318.30, 49,975.62 and 11,129.36 is: 16,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.30 : 49,975.62 = 11,129.36 : x
  2. Step 2: Convert to fraction form
    33,318.30/49,975.62 = 11,129.36/x
  3. Step 3: Cross multiply
    33,318.30x = 49,975.62 × 11,129.36
  4. Step 4: Simplify right side
    33,318.30x = 556,196,666.20
  5. Step 5: Solve for x
    x = 556,196,666.20/33,318.30
  6. Step 6: Final answer
    x = 16,693.43

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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.