Home / 41,086.53-61,629.66-9,921.78

Finding the Fourth Proportional to 41,086.53, 61,629.66 and 9,921.78

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Solution

The fourth proportional to 41,086.53, 61,629.66 and 9,921.78 is: 14,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,086.53 : 61,629.66 = 9,921.78 : x
  2. Step 2: Convert to fraction form
    41,086.53/61,629.66 = 9,921.78/x
  3. Step 3: Cross multiply
    41,086.53x = 61,629.66 × 9,921.78
  4. Step 4: Simplify right side
    41,086.53x = 611,475,927.99
  5. Step 5: Solve for x
    x = 611,475,927.99/41,086.53
  6. Step 6: Final answer
    x = 14,882.64

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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.