Home / 55,489.24-83,194.98-20,424.36

Finding the Fourth Proportional to 55,489.24, 83,194.98 and 20,424.36

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Solution

The fourth proportional to 55,489.24, 83,194.98 and 20,424.36 is: 30,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.24 : 83,194.98 = 20,424.36 : x
  2. Step 2: Convert to fraction form
    55,489.24/83,194.98 = 20,424.36/x
  3. Step 3: Cross multiply
    55,489.24x = 83,194.98 × 20,424.36
  4. Step 4: Simplify right side
    55,489.24x = 1,699,204,221.71
  5. Step 5: Solve for x
    x = 1,699,204,221.71/55,489.24
  6. Step 6: Final answer
    x = 30,622.23

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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.