Home / 45,814.96-68,735.76-19,173.52

Finding the Fourth Proportional to 45,814.96, 68,735.76 and 19,173.52

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Solution

The fourth proportional to 45,814.96, 68,735.76 and 19,173.52 is: 28,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.96 : 68,735.76 = 19,173.52 : x
  2. Step 2: Convert to fraction form
    45,814.96/68,735.76 = 19,173.52/x
  3. Step 3: Cross multiply
    45,814.96x = 68,735.76 × 19,173.52
  4. Step 4: Simplify right side
    45,814.96x = 1,317,906,469.08
  5. Step 5: Solve for x
    x = 1,317,906,469.08/45,814.96
  6. Step 6: Final answer
    x = 28,765.85

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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.