Home / 49,853.20-74,757.91-18,666.58

Finding the Fourth Proportional to 49,853.20, 74,757.91 and 18,666.58

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Solution

The fourth proportional to 49,853.20, 74,757.91 and 18,666.58 is: 27,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853.20 : 74,757.91 = 18,666.58 : x
  2. Step 2: Convert to fraction form
    49,853.20/74,757.91 = 18,666.58/x
  3. Step 3: Cross multiply
    49,853.20x = 74,757.91 × 18,666.58
  4. Step 4: Simplify right side
    49,853.20x = 1,395,474,507.65
  5. Step 5: Solve for x
    x = 1,395,474,507.65/49,853.20
  6. Step 6: Final answer
    x = 27,991.67

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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.