Home / 31,201.25-43,054.67-17,771.45

Finding the Fourth Proportional to 31,201.25, 43,054.67 and 17,771.45

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Solution

The fourth proportional to 31,201.25, 43,054.67 and 17,771.45 is: 24,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.25 : 43,054.67 = 17,771.45 : x
  2. Step 2: Convert to fraction form
    31,201.25/43,054.67 = 17,771.45/x
  3. Step 3: Cross multiply
    31,201.25x = 43,054.67 × 17,771.45
  4. Step 4: Simplify right side
    31,201.25x = 765,143,744.33
  5. Step 5: Solve for x
    x = 765,143,744.33/31,201.25
  6. Step 6: Final answer
    x = 24,522.86

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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.