Home / 39,939.87-55,116.66-22,035.03

Finding the Fourth Proportional to 39,939.87, 55,116.66 and 22,035.03

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Solution

The fourth proportional to 39,939.87, 55,116.66 and 22,035.03 is: 30,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.87 : 55,116.66 = 22,035.03 : x
  2. Step 2: Convert to fraction form
    39,939.87/55,116.66 = 22,035.03/x
  3. Step 3: Cross multiply
    39,939.87x = 55,116.66 × 22,035.03
  4. Step 4: Simplify right side
    39,939.87x = 1,214,497,256.60
  5. Step 5: Solve for x
    x = 1,214,497,256.60/39,939.87
  6. Step 6: Final answer
    x = 30,408.14

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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.