Home / 31,453.09-47,180.94-10,107.97

Finding the Fourth Proportional to 31,453.09, 47,180.94 and 10,107.97

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Solution

The fourth proportional to 31,453.09, 47,180.94 and 10,107.97 is: 15,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.09 : 47,180.94 = 10,107.97 : x
  2. Step 2: Convert to fraction form
    31,453.09/47,180.94 = 10,107.97/x
  3. Step 3: Cross multiply
    31,453.09x = 47,180.94 × 10,107.97
  4. Step 4: Simplify right side
    31,453.09x = 476,903,239.65
  5. Step 5: Solve for x
    x = 476,903,239.65/31,453.09
  6. Step 6: Final answer
    x = 15,162.37

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1.5x scale

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.