Home / 36,511.20-54,761.40-10,218.60

Finding the Fourth Proportional to 36,511.20, 54,761.40 and 10,218.60

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Solution

The fourth proportional to 36,511.20, 54,761.40 and 10,218.60 is: 15,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.20 : 54,761.40 = 10,218.60 : x
  2. Step 2: Convert to fraction form
    36,511.20/54,761.40 = 10,218.60/x
  3. Step 3: Cross multiply
    36,511.20x = 54,761.40 × 10,218.60
  4. Step 4: Simplify right side
    36,511.20x = 559,584,842.04
  5. Step 5: Solve for x
    x = 559,584,842.04/36,511.20
  6. Step 6: Final answer
    x = 15,326.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.