Home / 57,019.68-85,519.44-15,469.92

Finding the Fourth Proportional to 57,019.68, 85,519.44 and 15,469.92

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Solution

The fourth proportional to 57,019.68, 85,519.44 and 15,469.92 is: 23,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.68 : 85,519.44 = 15,469.92 : x
  2. Step 2: Convert to fraction form
    57,019.68/85,519.44 = 15,469.92/x
  3. Step 3: Cross multiply
    57,019.68x = 85,519.44 × 15,469.92
  4. Step 4: Simplify right side
    57,019.68x = 1,322,978,895.24
  5. Step 5: Solve for x
    x = 1,322,978,895.24/57,019.68
  6. Step 6: Final answer
    x = 23,202.15

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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.