Home / 39,321.21-58,981.46-15,942.09

Finding the Fourth Proportional to 39,321.21, 58,981.46 and 15,942.09

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Solution

The fourth proportional to 39,321.21, 58,981.46 and 15,942.09 is: 23,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.21 : 58,981.46 = 15,942.09 : x
  2. Step 2: Convert to fraction form
    39,321.21/58,981.46 = 15,942.09/x
  3. Step 3: Cross multiply
    39,321.21x = 58,981.46 × 15,942.09
  4. Step 4: Simplify right side
    39,321.21x = 940,287,663.94
  5. Step 5: Solve for x
    x = 940,287,663.94/39,321.21
  6. Step 6: Final answer
    x = 23,912.99

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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.