Home / 26,342.96-39,545.31-20,800.04

Finding the Fourth Proportional to 26,342.96, 39,545.31 and 20,800.04

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Solution

The fourth proportional to 26,342.96, 39,545.31 and 20,800.04 is: 31,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.96 : 39,545.31 = 20,800.04 : x
  2. Step 2: Convert to fraction form
    26,342.96/39,545.31 = 20,800.04/x
  3. Step 3: Cross multiply
    26,342.96x = 39,545.31 × 20,800.04
  4. Step 4: Simplify right side
    26,342.96x = 822,544,029.81
  5. Step 5: Solve for x
    x = 822,544,029.81/26,342.96
  6. Step 6: Final answer
    x = 31,224.43

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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.