Home / 38,146.66-57,207.03-19,419.46

Finding the Fourth Proportional to 38,146.66, 57,207.03 and 19,419.46

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Solution

The fourth proportional to 38,146.66, 57,207.03 and 19,419.46 is: 29,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.66 : 57,207.03 = 19,419.46 : x
  2. Step 2: Convert to fraction form
    38,146.66/57,207.03 = 19,419.46/x
  3. Step 3: Cross multiply
    38,146.66x = 57,207.03 × 19,419.46
  4. Step 4: Simplify right side
    38,146.66x = 1,110,929,630.80
  5. Step 5: Solve for x
    x = 1,110,929,630.80/38,146.66
  6. Step 6: Final answer
    x = 29,122.59

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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.