Home / 29,203.50-43,836.44-12,571.78

Finding the Fourth Proportional to 29,203.50, 43,836.44 and 12,571.78

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Solution

The fourth proportional to 29,203.50, 43,836.44 and 12,571.78 is: 18,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.50 : 43,836.44 = 12,571.78 : x
  2. Step 2: Convert to fraction form
    29,203.50/43,836.44 = 12,571.78/x
  3. Step 3: Cross multiply
    29,203.50x = 43,836.44 × 12,571.78
  4. Step 4: Simplify right side
    29,203.50x = 551,102,079.66
  5. Step 5: Solve for x
    x = 551,102,079.66/29,203.50
  6. Step 6: Final answer
    x = 18,871.10

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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.