Home / 49,387.05-74,078.82-19,796.94

Finding the Fourth Proportional to 49,387.05, 74,078.82 and 19,796.94

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Solution

The fourth proportional to 49,387.05, 74,078.82 and 19,796.94 is: 29,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.05 : 74,078.82 = 19,796.94 : x
  2. Step 2: Convert to fraction form
    49,387.05/74,078.82 = 19,796.94/x
  3. Step 3: Cross multiply
    49,387.05x = 74,078.82 × 19,796.94
  4. Step 4: Simplify right side
    49,387.05x = 1,466,533,954.81
  5. Step 5: Solve for x
    x = 1,466,533,954.81/49,387.05
  6. Step 6: Final answer
    x = 29,694.71

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1.5x scale

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.