Home / 33,687.36-50,531.20-8,725.66

Finding the Fourth Proportional to 33,687.36, 50,531.20 and 8,725.66

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Solution

The fourth proportional to 33,687.36, 50,531.20 and 8,725.66 is: 13,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.36 : 50,531.20 = 8,725.66 : x
  2. Step 2: Convert to fraction form
    33,687.36/50,531.20 = 8,725.66/x
  3. Step 3: Cross multiply
    33,687.36x = 50,531.20 × 8,725.66
  4. Step 4: Simplify right side
    33,687.36x = 440,918,070.59
  5. Step 5: Solve for x
    x = 440,918,070.59/33,687.36
  6. Step 6: Final answer
    x = 13,088.53

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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.