Home / 43,310.30-64,965.90-15,231.14

Finding the Fourth Proportional to 43,310.30, 64,965.90 and 15,231.14

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Solution

The fourth proportional to 43,310.30, 64,965.90 and 15,231.14 is: 22,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.30 : 64,965.90 = 15,231.14 : x
  2. Step 2: Convert to fraction form
    43,310.30/64,965.90 = 15,231.14/x
  3. Step 3: Cross multiply
    43,310.30x = 64,965.90 × 15,231.14
  4. Step 4: Simplify right side
    43,310.30x = 989,504,718.13
  5. Step 5: Solve for x
    x = 989,504,718.13/43,310.30
  6. Step 6: Final answer
    x = 22,846.87

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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.