Home / 39,181.45-58,772.17-15,791.48

Finding the Fourth Proportional to 39,181.45, 58,772.17 and 15,791.48

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Solution

The fourth proportional to 39,181.45, 58,772.17 and 15,791.48 is: 23,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.45 : 58,772.17 = 15,791.48 : x
  2. Step 2: Convert to fraction form
    39,181.45/58,772.17 = 15,791.48/x
  3. Step 3: Cross multiply
    39,181.45x = 58,772.17 × 15,791.48
  4. Step 4: Simplify right side
    39,181.45x = 928,099,868.39
  5. Step 5: Solve for x
    x = 928,099,868.39/39,181.45
  6. Step 6: Final answer
    x = 23,687.23

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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.