Home / 50,914.46-70,265.78-28,257.72

Finding the Fourth Proportional to 50,914.46, 70,265.78 and 28,257.72

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Solution

The fourth proportional to 50,914.46, 70,265.78 and 28,257.72 is: 38,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.46 : 70,265.78 = 28,257.72 : x
  2. Step 2: Convert to fraction form
    50,914.46/70,265.78 = 28,257.72/x
  3. Step 3: Cross multiply
    50,914.46x = 70,265.78 × 28,257.72
  4. Step 4: Simplify right side
    50,914.46x = 1,985,550,736.82
  5. Step 5: Solve for x
    x = 1,985,550,736.82/50,914.46
  6. Step 6: Final answer
    x = 38,997.78

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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.