Home / 38,531.20-57,796.62-12,237.94

Finding the Fourth Proportional to 38,531.20, 57,796.62 and 12,237.94

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Solution

The fourth proportional to 38,531.20, 57,796.62 and 12,237.94 is: 18,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.20 : 57,796.62 = 12,237.94 : x
  2. Step 2: Convert to fraction form
    38,531.20/57,796.62 = 12,237.94/x
  3. Step 3: Cross multiply
    38,531.20x = 57,796.62 × 12,237.94
  4. Step 4: Simplify right side
    38,531.20x = 707,311,567.76
  5. Step 5: Solve for x
    x = 707,311,567.76/38,531.20
  6. Step 6: Final answer
    x = 18,356.85

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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.