Home / 49,538.72-74,310.60-18,366.68

Finding the Fourth Proportional to 49,538.72, 74,310.60 and 18,366.68

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Solution

The fourth proportional to 49,538.72, 74,310.60 and 18,366.68 is: 27,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.72 : 74,310.60 = 18,366.68 : x
  2. Step 2: Convert to fraction form
    49,538.72/74,310.60 = 18,366.68/x
  3. Step 3: Cross multiply
    49,538.72x = 74,310.60 × 18,366.68
  4. Step 4: Simplify right side
    49,538.72x = 1,364,839,010.81
  5. Step 5: Solve for x
    x = 1,364,839,010.81/49,538.72
  6. Step 6: Final answer
    x = 27,550.95

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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.