Home / 38,153.50-57,246-20,602.66

Finding the Fourth Proportional to 38,153.50, 57,246 and 20,602.66

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Solution

The fourth proportional to 38,153.50, 57,246 and 20,602.66 is: 30,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.50 : 57,246 = 20,602.66 : x
  2. Step 2: Convert to fraction form
    38,153.50/57,246 = 20,602.66/x
  3. Step 3: Cross multiply
    38,153.50x = 57,246 × 20,602.66
  4. Step 4: Simplify right side
    38,153.50x = 1,179,419,874.36
  5. Step 5: Solve for x
    x = 1,179,419,874.36/38,153.50
  6. Step 6: Final answer
    x = 30,912.49

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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.