Home / 45,914.58-68,871.83-12,634.83

Finding the Fourth Proportional to 45,914.58, 68,871.83 and 12,634.83

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Solution

The fourth proportional to 45,914.58, 68,871.83 and 12,634.83 is: 18,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,914.58 : 68,871.83 = 12,634.83 : x
  2. Step 2: Convert to fraction form
    45,914.58/68,871.83 = 12,634.83/x
  3. Step 3: Cross multiply
    45,914.58x = 68,871.83 × 12,634.83
  4. Step 4: Simplify right side
    45,914.58x = 870,183,800.66
  5. Step 5: Solve for x
    x = 870,183,800.66/45,914.58
  6. Step 6: Final answer
    x = 18,952.23

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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.