Home / 49,821.22-74,731.73-20,232.12

Finding the Fourth Proportional to 49,821.22, 74,731.73 and 20,232.12

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Solution

The fourth proportional to 49,821.22, 74,731.73 and 20,232.12 is: 30,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.22 : 74,731.73 = 20,232.12 : x
  2. Step 2: Convert to fraction form
    49,821.22/74,731.73 = 20,232.12/x
  3. Step 3: Cross multiply
    49,821.22x = 74,731.73 × 20,232.12
  4. Step 4: Simplify right side
    49,821.22x = 1,511,981,228.01
  5. Step 5: Solve for x
    x = 1,511,981,228.01/49,821.22
  6. Step 6: Final answer
    x = 30,348.14

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1.5x scale

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.