Home / 46,486.20-69,721.96-20,183.88

Finding the Fourth Proportional to 46,486.20, 69,721.96 and 20,183.88

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Solution

The fourth proportional to 46,486.20, 69,721.96 and 20,183.88 is: 30,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486.20 : 69,721.96 = 20,183.88 : x
  2. Step 2: Convert to fraction form
    46,486.20/69,721.96 = 20,183.88/x
  3. Step 3: Cross multiply
    46,486.20x = 69,721.96 × 20,183.88
  4. Step 4: Simplify right side
    46,486.20x = 1,407,259,674.00
  5. Step 5: Solve for x
    x = 1,407,259,674.00/46,486.20
  6. Step 6: Final answer
    x = 30,272.63

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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.