Home / 49,428.36-74,141.92-19,845.68

Finding the Fourth Proportional to 49,428.36, 74,141.92 and 19,845.68

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Solution

The fourth proportional to 49,428.36, 74,141.92 and 19,845.68 is: 29,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.36 : 74,141.92 = 19,845.68 : x
  2. Step 2: Convert to fraction form
    49,428.36/74,141.92 = 19,845.68/x
  3. Step 3: Cross multiply
    49,428.36x = 74,141.92 × 19,845.68
  4. Step 4: Simplify right side
    49,428.36x = 1,471,396,818.91
  5. Step 5: Solve for x
    x = 1,471,396,818.91/49,428.36
  6. Step 6: Final answer
    x = 29,768.27

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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.