Home / 38,218.72-57,246-29,388.64

Finding the Fourth Proportional to 38,218.72, 57,246 and 29,388.64

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Solution

The fourth proportional to 38,218.72, 57,246 and 29,388.64 is: 44,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.72 : 57,246 = 29,388.64 : x
  2. Step 2: Convert to fraction form
    38,218.72/57,246 = 29,388.64/x
  3. Step 3: Cross multiply
    38,218.72x = 57,246 × 29,388.64
  4. Step 4: Simplify right side
    38,218.72x = 1,682,382,085.44
  5. Step 5: Solve for x
    x = 1,682,382,085.44/38,218.72
  6. Step 6: Final answer
    x = 44,019.84

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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.