Home / 45,730.71-68,600.19-12,450.96

Finding the Fourth Proportional to 45,730.71, 68,600.19 and 12,450.96

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Solution

The fourth proportional to 45,730.71, 68,600.19 and 12,450.96 is: 18,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.71 : 68,600.19 = 12,450.96 : x
  2. Step 2: Convert to fraction form
    45,730.71/68,600.19 = 12,450.96/x
  3. Step 3: Cross multiply
    45,730.71x = 68,600.19 × 12,450.96
  4. Step 4: Simplify right side
    45,730.71x = 854,138,221.68
  5. Step 5: Solve for x
    x = 854,138,221.68/45,730.71
  6. Step 6: Final answer
    x = 18,677.56

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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.