Home / 40,257.68-60,379.32-18,067.28

Finding the Fourth Proportional to 40,257.68, 60,379.32 and 18,067.28

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Solution

The fourth proportional to 40,257.68, 60,379.32 and 18,067.28 is: 27,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.68 : 60,379.32 = 18,067.28 : x
  2. Step 2: Convert to fraction form
    40,257.68/60,379.32 = 18,067.28/x
  3. Step 3: Cross multiply
    40,257.68x = 60,379.32 × 18,067.28
  4. Step 4: Simplify right side
    40,257.68x = 1,090,890,080.65
  5. Step 5: Solve for x
    x = 1,090,890,080.65/40,257.68
  6. Step 6: Final answer
    x = 27,097.69

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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.