Home / 33,686.86-50,530.46-8,725.15

Finding the Fourth Proportional to 33,686.86, 50,530.46 and 8,725.15

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Solution

The fourth proportional to 33,686.86, 50,530.46 and 8,725.15 is: 13,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.86 : 50,530.46 = 8,725.15 : x
  2. Step 2: Convert to fraction form
    33,686.86/50,530.46 = 8,725.15/x
  3. Step 3: Cross multiply
    33,686.86x = 50,530.46 × 8,725.15
  4. Step 4: Simplify right side
    33,686.86x = 440,885,843.07
  5. Step 5: Solve for x
    x = 440,885,843.07/33,686.86
  6. Step 6: Final answer
    x = 13,087.77

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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.