Home / 40,360.67-55,698-22,456.43

Finding the Fourth Proportional to 40,360.67, 55,698 and 22,456.43

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Solution

The fourth proportional to 40,360.67, 55,698 and 22,456.43 is: 30,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360.67 : 55,698 = 22,456.43 : x
  2. Step 2: Convert to fraction form
    40,360.67/55,698 = 22,456.43/x
  3. Step 3: Cross multiply
    40,360.67x = 55,698 × 22,456.43
  4. Step 4: Simplify right side
    40,360.67x = 1,250,778,238.14
  5. Step 5: Solve for x
    x = 1,250,778,238.14/40,360.67
  6. Step 6: Final answer
    x = 30,990.03

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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.