Home / 61,321.28-91,965.44-16,937.60

Finding the Fourth Proportional to 61,321.28, 91,965.44 and 16,937.60

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Solution

The fourth proportional to 61,321.28, 91,965.44 and 16,937.60 is: 25,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,321.28 : 91,965.44 = 16,937.60 : x
  2. Step 2: Convert to fraction form
    61,321.28/91,965.44 = 16,937.60/x
  3. Step 3: Cross multiply
    61,321.28x = 91,965.44 × 16,937.60
  4. Step 4: Simplify right side
    61,321.28x = 1,557,673,836.54
  5. Step 5: Solve for x
    x = 1,557,673,836.54/61,321.28
  6. Step 6: Final answer
    x = 25,401.85

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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.