Home / 31,743.45-47,631.38-13,037.85

Finding the Fourth Proportional to 31,743.45, 47,631.38 and 13,037.85

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Solution

The fourth proportional to 31,743.45, 47,631.38 and 13,037.85 is: 19,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.45 : 47,631.38 = 13,037.85 : x
  2. Step 2: Convert to fraction form
    31,743.45/47,631.38 = 13,037.85/x
  3. Step 3: Cross multiply
    31,743.45x = 47,631.38 × 13,037.85
  4. Step 4: Simplify right side
    31,743.45x = 621,010,722.54
  5. Step 5: Solve for x
    x = 621,010,722.54/31,743.45
  6. Step 6: Final answer
    x = 19,563.43

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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.