Home / 39,177-58,716.23-28,105.38

Finding the Fourth Proportional to 39,177, 58,716.23 and 28,105.38

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Solution

The fourth proportional to 39,177, 58,716.23 and 28,105.38 is: 42,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177 : 58,716.23 = 28,105.38 : x
  2. Step 2: Convert to fraction form
    39,177/58,716.23 = 28,105.38/x
  3. Step 3: Cross multiply
    39,177x = 58,716.23 × 28,105.38
  4. Step 4: Simplify right side
    39,177x = 1,650,241,815.79
  5. Step 5: Solve for x
    x = 1,650,241,815.79/39,177
  6. Step 6: Final answer
    x = 42,122.72

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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.