Home / 40,048.87-60,067-13,394.65

Finding the Fourth Proportional to 40,048.87, 60,067 and 13,394.65

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Solution

The fourth proportional to 40,048.87, 60,067 and 13,394.65 is: 20,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.87 : 60,067 = 13,394.65 : x
  2. Step 2: Convert to fraction form
    40,048.87/60,067 = 13,394.65/x
  3. Step 3: Cross multiply
    40,048.87x = 60,067 × 13,394.65
  4. Step 4: Simplify right side
    40,048.87x = 804,576,441.55
  5. Step 5: Solve for x
    x = 804,576,441.55/40,048.87
  6. Step 6: Final answer
    x = 20,089.87

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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.