Home / 38,063.21-57,086.48-12,766.29

Finding the Fourth Proportional to 38,063.21, 57,086.48 and 12,766.29

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Solution

The fourth proportional to 38,063.21, 57,086.48 and 12,766.29 is: 19,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063.21 : 57,086.48 = 12,766.29 : x
  2. Step 2: Convert to fraction form
    38,063.21/57,086.48 = 12,766.29/x
  3. Step 3: Cross multiply
    38,063.21x = 57,086.48 × 12,766.29
  4. Step 4: Simplify right side
    38,063.21x = 728,782,494.93
  5. Step 5: Solve for x
    x = 728,782,494.93/38,063.21
  6. Step 6: Final answer
    x = 19,146.64

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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.