Home / 31,232.90-43,102.39-17,085.73

Finding the Fourth Proportional to 31,232.90, 43,102.39 and 17,085.73

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Solution

The fourth proportional to 31,232.90, 43,102.39 and 17,085.73 is: 23,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.90 : 43,102.39 = 17,085.73 : x
  2. Step 2: Convert to fraction form
    31,232.90/43,102.39 = 17,085.73/x
  3. Step 3: Cross multiply
    31,232.90x = 43,102.39 × 17,085.73
  4. Step 4: Simplify right side
    31,232.90x = 736,435,797.89
  5. Step 5: Solve for x
    x = 736,435,797.89/31,232.90
  6. Step 6: Final answer
    x = 23,578.85

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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.