Home / 38,234.30-57,359.41-19,269.59

Finding the Fourth Proportional to 38,234.30, 57,359.41 and 19,269.59

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Solution

The fourth proportional to 38,234.30, 57,359.41 and 19,269.59 is: 28,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.30 : 57,359.41 = 19,269.59 : x
  2. Step 2: Convert to fraction form
    38,234.30/57,359.41 = 19,269.59/x
  3. Step 3: Cross multiply
    38,234.30x = 57,359.41 × 19,269.59
  4. Step 4: Simplify right side
    38,234.30x = 1,105,291,978.37
  5. Step 5: Solve for x
    x = 1,105,291,978.37/38,234.30
  6. Step 6: Final answer
    x = 28,908.39

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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.