Home / 49,709.09-74,563.64-18,121.52

Finding the Fourth Proportional to 49,709.09, 74,563.64 and 18,121.52

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Solution

The fourth proportional to 49,709.09, 74,563.64 and 18,121.52 is: 27,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.09 : 74,563.64 = 18,121.52 : x
  2. Step 2: Convert to fraction form
    49,709.09/74,563.64 = 18,121.52/x
  3. Step 3: Cross multiply
    49,709.09x = 74,563.64 × 18,121.52
  4. Step 4: Simplify right side
    49,709.09x = 1,351,206,493.53
  5. Step 5: Solve for x
    x = 1,351,206,493.53/49,709.09
  6. Step 6: Final answer
    x = 27,182.28

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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.