Home / 38,611.74-57,857.13-30,818.46

Finding the Fourth Proportional to 38,611.74, 57,857.13 and 30,818.46

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Solution

The fourth proportional to 38,611.74, 57,857.13 and 30,818.46 is: 46,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611.74 : 57,857.13 = 30,818.46 : x
  2. Step 2: Convert to fraction form
    38,611.74/57,857.13 = 30,818.46/x
  3. Step 3: Cross multiply
    38,611.74x = 57,857.13 × 30,818.46
  4. Step 4: Simplify right side
    38,611.74x = 1,783,067,646.62
  5. Step 5: Solve for x
    x = 1,783,067,646.62/38,611.74
  6. Step 6: Final answer
    x = 46,179.42

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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.