Home / 49,443.49-74,192.24-20,976.05

Finding the Fourth Proportional to 49,443.49, 74,192.24 and 20,976.05

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Solution

The fourth proportional to 49,443.49, 74,192.24 and 20,976.05 is: 31,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.49 : 74,192.24 = 20,976.05 : x
  2. Step 2: Convert to fraction form
    49,443.49/74,192.24 = 20,976.05/x
  3. Step 3: Cross multiply
    49,443.49x = 74,192.24 × 20,976.05
  4. Step 4: Simplify right side
    49,443.49x = 1,556,260,135.85
  5. Step 5: Solve for x
    x = 1,556,260,135.85/49,443.49
  6. Step 6: Final answer
    x = 31,475.53

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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.