Home / 49,519.53-74,278.49-19,936.61

Finding the Fourth Proportional to 49,519.53, 74,278.49 and 19,936.61

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Solution

The fourth proportional to 49,519.53, 74,278.49 and 19,936.61 is: 29,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.53 : 74,278.49 = 19,936.61 : x
  2. Step 2: Convert to fraction form
    49,519.53/74,278.49 = 19,936.61/x
  3. Step 3: Cross multiply
    49,519.53x = 74,278.49 × 19,936.61
  4. Step 4: Simplify right side
    49,519.53x = 1,480,861,093.99
  5. Step 5: Solve for x
    x = 1,480,861,093.99/49,519.53
  6. Step 6: Final answer
    x = 29,904.59

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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.