Home / 36,131.94-54,206.15-19,491.62

Finding the Fourth Proportional to 36,131.94, 54,206.15 and 19,491.62

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Solution

The fourth proportional to 36,131.94, 54,206.15 and 19,491.62 is: 29,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.94 : 54,206.15 = 19,491.62 : x
  2. Step 2: Convert to fraction form
    36,131.94/54,206.15 = 19,491.62/x
  3. Step 3: Cross multiply
    36,131.94x = 54,206.15 × 19,491.62
  4. Step 4: Simplify right side
    36,131.94x = 1,056,565,308.97
  5. Step 5: Solve for x
    x = 1,056,565,308.97/36,131.94
  6. Step 6: Final answer
    x = 29,241.86

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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.