Home / 36,173.84-54,273.81-19,289.09

Finding the Fourth Proportional to 36,173.84, 54,273.81 and 19,289.09

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Solution

The fourth proportional to 36,173.84, 54,273.81 and 19,289.09 is: 28,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173.84 : 54,273.81 = 19,289.09 : x
  2. Step 2: Convert to fraction form
    36,173.84/54,273.81 = 19,289.09/x
  3. Step 3: Cross multiply
    36,173.84x = 54,273.81 × 19,289.09
  4. Step 4: Simplify right side
    36,173.84x = 1,046,892,405.73
  5. Step 5: Solve for x
    x = 1,046,892,405.73/36,173.84
  6. Step 6: Final answer
    x = 28,940.59

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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.