Home / 49,628.62-74,399.19-18,442

Finding the Fourth Proportional to 49,628.62, 74,399.19 and 18,442

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Solution

The fourth proportional to 49,628.62, 74,399.19 and 18,442 is: 27,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.62 : 74,399.19 = 18,442 : x
  2. Step 2: Convert to fraction form
    49,628.62/74,399.19 = 18,442/x
  3. Step 3: Cross multiply
    49,628.62x = 74,399.19 × 18,442
  4. Step 4: Simplify right side
    49,628.62x = 1,372,069,861.98
  5. Step 5: Solve for x
    x = 1,372,069,861.98/49,628.62
  6. Step 6: Final answer
    x = 27,646.75

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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.