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Finding the Fourth Proportional to 33,539.72, 50,309.06 and 8,579.54

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Solution

The fourth proportional to 33,539.72, 50,309.06 and 8,579.54 is: 12,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,539.72 : 50,309.06 = 8,579.54 : x
  2. Step 2: Convert to fraction form
    33,539.72/50,309.06 = 8,579.54/x
  3. Step 3: Cross multiply
    33,539.72x = 50,309.06 × 8,579.54
  4. Step 4: Simplify right side
    33,539.72x = 431,628,592.63
  5. Step 5: Solve for x
    x = 431,628,592.63/33,539.72
  6. Step 6: Final answer
    x = 12,869.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.