Home / 49,854.98-74,760.57-18,668.36

Finding the Fourth Proportional to 49,854.98, 74,760.57 and 18,668.36

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Solution

The fourth proportional to 49,854.98, 74,760.57 and 18,668.36 is: 27,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.98 : 74,760.57 = 18,668.36 : x
  2. Step 2: Convert to fraction form
    49,854.98/74,760.57 = 18,668.36/x
  3. Step 3: Cross multiply
    49,854.98x = 74,760.57 × 18,668.36
  4. Step 4: Simplify right side
    49,854.98x = 1,395,656,860.76
  5. Step 5: Solve for x
    x = 1,395,656,860.76/49,854.98
  6. Step 6: Final answer
    x = 27,994.33

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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.