Home / 38,165.58-57,245.49-19,433.88

Finding the Fourth Proportional to 38,165.58, 57,245.49 and 19,433.88

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Solution

The fourth proportional to 38,165.58, 57,245.49 and 19,433.88 is: 29,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.58 : 57,245.49 = 19,433.88 : x
  2. Step 2: Convert to fraction form
    38,165.58/57,245.49 = 19,433.88/x
  3. Step 3: Cross multiply
    38,165.58x = 57,245.49 × 19,433.88
  4. Step 4: Simplify right side
    38,165.58x = 1,112,501,983.20
  5. Step 5: Solve for x
    x = 1,112,501,983.20/38,165.58
  6. Step 6: Final answer
    x = 29,149.35

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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.