Home / 39,836.85-59,792.18-31,791.42

Finding the Fourth Proportional to 39,836.85, 59,792.18 and 31,791.42

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Solution

The fourth proportional to 39,836.85, 59,792.18 and 31,791.42 is: 47,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836.85 : 59,792.18 = 31,791.42 : x
  2. Step 2: Convert to fraction form
    39,836.85/59,792.18 = 31,791.42/x
  3. Step 3: Cross multiply
    39,836.85x = 59,792.18 × 31,791.42
  4. Step 4: Simplify right side
    39,836.85x = 1,900,878,148.14
  5. Step 5: Solve for x
    x = 1,900,878,148.14/39,836.85
  6. Step 6: Final answer
    x = 47,716.58

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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.