Home / 50,011.40-69,022.26-28,791.56

Finding the Fourth Proportional to 50,011.40, 69,022.26 and 28,791.56

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Solution

The fourth proportional to 50,011.40, 69,022.26 and 28,791.56 is: 39,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.40 : 69,022.26 = 28,791.56 : x
  2. Step 2: Convert to fraction form
    50,011.40/69,022.26 = 28,791.56/x
  3. Step 3: Cross multiply
    50,011.40x = 69,022.26 × 28,791.56
  4. Step 4: Simplify right side
    50,011.40x = 1,987,258,540.13
  5. Step 5: Solve for x
    x = 1,987,258,540.13/50,011.40
  6. Step 6: Final answer
    x = 39,736.11

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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.