Home / 33,119.89-49,680.40-9,428.04

Finding the Fourth Proportional to 33,119.89, 49,680.40 and 9,428.04

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Solution

The fourth proportional to 33,119.89, 49,680.40 and 9,428.04 is: 14,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.89 : 49,680.40 = 9,428.04 : x
  2. Step 2: Convert to fraction form
    33,119.89/49,680.40 = 9,428.04/x
  3. Step 3: Cross multiply
    33,119.89x = 49,680.40 × 9,428.04
  4. Step 4: Simplify right side
    33,119.89x = 468,388,751.28
  5. Step 5: Solve for x
    x = 468,388,751.28/33,119.89
  6. Step 6: Final answer
    x = 14,142.22

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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.