Home / 33,355.07-49,983.10-18,543.62

Finding the Fourth Proportional to 33,355.07, 49,983.10 and 18,543.62

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Solution

The fourth proportional to 33,355.07, 49,983.10 and 18,543.62 is: 27,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.07 : 49,983.10 = 18,543.62 : x
  2. Step 2: Convert to fraction form
    33,355.07/49,983.10 = 18,543.62/x
  3. Step 3: Cross multiply
    33,355.07x = 49,983.10 × 18,543.62
  4. Step 4: Simplify right side
    33,355.07x = 926,867,316.55
  5. Step 5: Solve for x
    x = 926,867,316.55/33,355.07
  6. Step 6: Final answer
    x = 27,787.90

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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.