Home / 31,940.75-44,078.22-17,600.78

Finding the Fourth Proportional to 31,940.75, 44,078.22 and 17,600.78

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Solution

The fourth proportional to 31,940.75, 44,078.22 and 17,600.78 is: 24,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.75 : 44,078.22 = 17,600.78 : x
  2. Step 2: Convert to fraction form
    31,940.75/44,078.22 = 17,600.78/x
  3. Step 3: Cross multiply
    31,940.75x = 44,078.22 × 17,600.78
  4. Step 4: Simplify right side
    31,940.75x = 775,810,832.62
  5. Step 5: Solve for x
    x = 775,810,832.62/31,940.75
  6. Step 6: Final answer
    x = 24,289.07

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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.