Home / 31,515.54-43,491.45-17,175.37

Finding the Fourth Proportional to 31,515.54, 43,491.45 and 17,175.37

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Solution

The fourth proportional to 31,515.54, 43,491.45 and 17,175.37 is: 23,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.54 : 43,491.45 = 17,175.37 : x
  2. Step 2: Convert to fraction form
    31,515.54/43,491.45 = 17,175.37/x
  3. Step 3: Cross multiply
    31,515.54x = 43,491.45 × 17,175.37
  4. Step 4: Simplify right side
    31,515.54x = 746,981,745.59
  5. Step 5: Solve for x
    x = 746,981,745.59/31,515.54
  6. Step 6: Final answer
    x = 23,702.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.