Home / 45,104.31-67,664.77-15,115.61

Finding the Fourth Proportional to 45,104.31, 67,664.77 and 15,115.61

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Solution

The fourth proportional to 45,104.31, 67,664.77 and 15,115.61 is: 22,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,104.31 : 67,664.77 = 15,115.61 : x
  2. Step 2: Convert to fraction form
    45,104.31/67,664.77 = 15,115.61/x
  3. Step 3: Cross multiply
    45,104.31x = 67,664.77 × 15,115.61
  4. Step 4: Simplify right side
    45,104.31x = 1,022,794,405.43
  5. Step 5: Solve for x
    x = 1,022,794,405.43/45,104.31
  6. Step 6: Final answer
    x = 22,676.20

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1.5x scale

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.