Home / 50,016.40-69,022.56-28,787.92

Finding the Fourth Proportional to 50,016.40, 69,022.56 and 28,787.92

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Solution

The fourth proportional to 50,016.40, 69,022.56 and 28,787.92 is: 39,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,016.40 : 69,022.56 = 28,787.92 : x
  2. Step 2: Convert to fraction form
    50,016.40/69,022.56 = 28,787.92/x
  3. Step 3: Cross multiply
    50,016.40x = 69,022.56 × 28,787.92
  4. Step 4: Simplify right side
    50,016.40x = 1,987,015,935.48
  5. Step 5: Solve for x
    x = 1,987,015,935.48/50,016.40
  6. Step 6: Final answer
    x = 39,727.29

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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.