Home / 50,015.90-69,014.27-28,791.06

Finding the Fourth Proportional to 50,015.90, 69,014.27 and 28,791.06

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Solution

The fourth proportional to 50,015.90, 69,014.27 and 28,791.06 is: 39,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,015.90 : 69,014.27 = 28,791.06 : x
  2. Step 2: Convert to fraction form
    50,015.90/69,014.27 = 28,791.06/x
  3. Step 3: Cross multiply
    50,015.90x = 69,014.27 × 28,791.06
  4. Step 4: Simplify right side
    50,015.90x = 1,986,993,844.47
  5. Step 5: Solve for x
    x = 1,986,993,844.47/50,015.90
  6. Step 6: Final answer
    x = 39,727.25

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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.