Home / 38,621.97-57,938.90-16,429.39

Finding the Fourth Proportional to 38,621.97, 57,938.90 and 16,429.39

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Solution

The fourth proportional to 38,621.97, 57,938.90 and 16,429.39 is: 24,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.97 : 57,938.90 = 16,429.39 : x
  2. Step 2: Convert to fraction form
    38,621.97/57,938.90 = 16,429.39/x
  3. Step 3: Cross multiply
    38,621.97x = 57,938.90 × 16,429.39
  4. Step 4: Simplify right side
    38,621.97x = 951,900,557.28
  5. Step 5: Solve for x
    x = 951,900,557.28/38,621.97
  6. Step 6: Final answer
    x = 24,646.61

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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.