Home / 31,912.88-44,039.79-17,768.48

Finding the Fourth Proportional to 31,912.88, 44,039.79 and 17,768.48

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Solution

The fourth proportional to 31,912.88, 44,039.79 and 17,768.48 is: 24,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.88 : 44,039.79 = 17,768.48 : x
  2. Step 2: Convert to fraction form
    31,912.88/44,039.79 = 17,768.48/x
  3. Step 3: Cross multiply
    31,912.88x = 44,039.79 × 17,768.48
  4. Step 4: Simplify right side
    31,912.88x = 782,519,907.62
  5. Step 5: Solve for x
    x = 782,519,907.62/31,912.88
  6. Step 6: Final answer
    x = 24,520.51

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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.