Home / 49,456.80-74,183.40-19,866.60

Finding the Fourth Proportional to 49,456.80, 74,183.40 and 19,866.60

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Solution

The fourth proportional to 49,456.80, 74,183.40 and 19,866.60 is: 29,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,456.80 : 74,183.40 = 19,866.60 : x
  2. Step 2: Convert to fraction form
    49,456.80/74,183.40 = 19,866.60/x
  3. Step 3: Cross multiply
    49,456.80x = 74,183.40 × 19,866.60
  4. Step 4: Simplify right side
    49,456.80x = 1,473,771,934.44
  5. Step 5: Solve for x
    x = 1,473,771,934.44/49,456.80
  6. Step 6: Final answer
    x = 29,799.18

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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.