Home / 37,836.60-56,789.88-19,129.80

Finding the Fourth Proportional to 37,836.60, 56,789.88 and 19,129.80

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Solution

The fourth proportional to 37,836.60, 56,789.88 and 19,129.80 is: 28,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.60 : 56,789.88 = 19,129.80 : x
  2. Step 2: Convert to fraction form
    37,836.60/56,789.88 = 19,129.80/x
  3. Step 3: Cross multiply
    37,836.60x = 56,789.88 × 19,129.80
  4. Step 4: Simplify right side
    37,836.60x = 1,086,379,046.42
  5. Step 5: Solve for x
    x = 1,086,379,046.42/37,836.60
  6. Step 6: Final answer
    x = 28,712.39

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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.