Home / 31,260.88-43,135.99-17,831.33

Finding the Fourth Proportional to 31,260.88, 43,135.99 and 17,831.33

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Solution

The fourth proportional to 31,260.88, 43,135.99 and 17,831.33 is: 24,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.88 : 43,135.99 = 17,831.33 : x
  2. Step 2: Convert to fraction form
    31,260.88/43,135.99 = 17,831.33/x
  3. Step 3: Cross multiply
    31,260.88x = 43,135.99 × 17,831.33
  4. Step 4: Simplify right side
    31,260.88x = 769,172,072.57
  5. Step 5: Solve for x
    x = 769,172,072.57/31,260.88
  6. Step 6: Final answer
    x = 24,604.94

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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.