Home / 50,905.36-70,257.82-28,251.62

Finding the Fourth Proportional to 50,905.36, 70,257.82 and 28,251.62

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Solution

The fourth proportional to 50,905.36, 70,257.82 and 28,251.62 is: 38,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.36 : 70,257.82 = 28,251.62 : x
  2. Step 2: Convert to fraction form
    50,905.36/70,257.82 = 28,251.62/x
  3. Step 3: Cross multiply
    50,905.36x = 70,257.82 × 28,251.62
  4. Step 4: Simplify right side
    50,905.36x = 1,984,897,337.68
  5. Step 5: Solve for x
    x = 1,984,897,337.68/50,905.36
  6. Step 6: Final answer
    x = 38,991.92

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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.