Home / 45,800.92-68,688.42-20,827

Finding the Fourth Proportional to 45,800.92, 68,688.42 and 20,827

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Solution

The fourth proportional to 45,800.92, 68,688.42 and 20,827 is: 31,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.92 : 68,688.42 = 20,827 : x
  2. Step 2: Convert to fraction form
    45,800.92/68,688.42 = 20,827/x
  3. Step 3: Cross multiply
    45,800.92x = 68,688.42 × 20,827
  4. Step 4: Simplify right side
    45,800.92x = 1,430,573,723.34
  5. Step 5: Solve for x
    x = 1,430,573,723.34/45,800.92
  6. Step 6: Final answer
    x = 31,234.61

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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.