Home / 39,771.75-54,883.83-22,775.43

Finding the Fourth Proportional to 39,771.75, 54,883.83 and 22,775.43

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Solution

The fourth proportional to 39,771.75, 54,883.83 and 22,775.43 is: 31,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.75 : 54,883.83 = 22,775.43 : x
  2. Step 2: Convert to fraction form
    39,771.75/54,883.83 = 22,775.43/x
  3. Step 3: Cross multiply
    39,771.75x = 54,883.83 × 22,775.43
  4. Step 4: Simplify right side
    39,771.75x = 1,250,002,828.30
  5. Step 5: Solve for x
    x = 1,250,002,828.30/39,771.75
  6. Step 6: Final answer
    x = 31,429.41

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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.