Home / 48,921.33-73,366.64-20,841.09

Finding the Fourth Proportional to 48,921.33, 73,366.64 and 20,841.09

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Solution

The fourth proportional to 48,921.33, 73,366.64 and 20,841.09 is: 31,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.33 : 73,366.64 = 20,841.09 : x
  2. Step 2: Convert to fraction form
    48,921.33/73,366.64 = 20,841.09/x
  3. Step 3: Cross multiply
    48,921.33x = 73,366.64 × 20,841.09
  4. Step 4: Simplify right side
    48,921.33x = 1,529,040,643.03
  5. Step 5: Solve for x
    x = 1,529,040,643.03/48,921.33
  6. Step 6: Final answer
    x = 31,255.09

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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.