Home / 68,827.79-103,230.05-18,896.29

Finding the Fourth Proportional to 68,827.79, 103,230.05 and 18,896.29

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Solution

The fourth proportional to 68,827.79, 103,230.05 and 18,896.29 is: 28,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,827.79 : 103,230.05 = 18,896.29 : x
  2. Step 2: Convert to fraction form
    68,827.79/103,230.05 = 18,896.29/x
  3. Step 3: Cross multiply
    68,827.79x = 103,230.05 × 18,896.29
  4. Step 4: Simplify right side
    68,827.79x = 1,950,664,608.96
  5. Step 5: Solve for x
    x = 1,950,664,608.96/68,827.79
  6. Step 6: Final answer
    x = 28,341.23

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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.