Home / 31,198.50-46,769.94-11,472.30

Finding the Fourth Proportional to 31,198.50, 46,769.94 and 11,472.30

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Solution

The fourth proportional to 31,198.50, 46,769.94 and 11,472.30 is: 17,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.50 : 46,769.94 = 11,472.30 : x
  2. Step 2: Convert to fraction form
    31,198.50/46,769.94 = 11,472.30/x
  3. Step 3: Cross multiply
    31,198.50x = 46,769.94 × 11,472.30
  4. Step 4: Simplify right side
    31,198.50x = 536,558,782.66
  5. Step 5: Solve for x
    x = 536,558,782.66/31,198.50
  6. Step 6: Final answer
    x = 17,198.22

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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.