Home / 39,699.62-54,786.34-22,705.41

Finding the Fourth Proportional to 39,699.62, 54,786.34 and 22,705.41

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Solution

The fourth proportional to 39,699.62, 54,786.34 and 22,705.41 is: 31,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699.62 : 54,786.34 = 22,705.41 : x
  2. Step 2: Convert to fraction form
    39,699.62/54,786.34 = 22,705.41/x
  3. Step 3: Cross multiply
    39,699.62x = 54,786.34 × 22,705.41
  4. Step 4: Simplify right side
    39,699.62x = 1,243,946,545.93
  5. Step 5: Solve for x
    x = 1,243,946,545.93/39,699.62
  6. Step 6: Final answer
    x = 31,333.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.