Home / 41,019.24-61,530.18-12,939.56

Finding the Fourth Proportional to 41,019.24, 61,530.18 and 12,939.56

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Solution

The fourth proportional to 41,019.24, 61,530.18 and 12,939.56 is: 19,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,019.24 : 61,530.18 = 12,939.56 : x
  2. Step 2: Convert to fraction form
    41,019.24/61,530.18 = 12,939.56/x
  3. Step 3: Cross multiply
    41,019.24x = 61,530.18 × 12,939.56
  4. Step 4: Simplify right side
    41,019.24x = 796,173,455.92
  5. Step 5: Solve for x
    x = 796,173,455.92/41,019.24
  6. Step 6: Final answer
    x = 19,409.76

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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.