Home / 50,859.43-70,185.66-28,198.42

Finding the Fourth Proportional to 50,859.43, 70,185.66 and 28,198.42

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Solution

The fourth proportional to 50,859.43, 70,185.66 and 28,198.42 is: 38,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,859.43 : 70,185.66 = 28,198.42 : x
  2. Step 2: Convert to fraction form
    50,859.43/70,185.66 = 28,198.42/x
  3. Step 3: Cross multiply
    50,859.43x = 70,185.66 × 28,198.42
  4. Step 4: Simplify right side
    50,859.43x = 1,979,124,872.77
  5. Step 5: Solve for x
    x = 1,979,124,872.77/50,859.43
  6. Step 6: Final answer
    x = 38,913.63

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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.