Home / 50,874.98-70,207.47-28,217.43

Finding the Fourth Proportional to 50,874.98, 70,207.47 and 28,217.43

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Solution

The fourth proportional to 50,874.98, 70,207.47 and 28,217.43 is: 38,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.98 : 70,207.47 = 28,217.43 : x
  2. Step 2: Convert to fraction form
    50,874.98/70,207.47 = 28,217.43/x
  3. Step 3: Cross multiply
    50,874.98x = 70,207.47 × 28,217.43
  4. Step 4: Simplify right side
    50,874.98x = 1,981,074,229.11
  5. Step 5: Solve for x
    x = 1,981,074,229.11/50,874.98
  6. Step 6: Final answer
    x = 38,940.05

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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.