Home / 39,996.24-55,195.92-22,090.20

Finding the Fourth Proportional to 39,996.24, 55,195.92 and 22,090.20

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Solution

The fourth proportional to 39,996.24, 55,195.92 and 22,090.20 is: 30,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.24 : 55,195.92 = 22,090.20 : x
  2. Step 2: Convert to fraction form
    39,996.24/55,195.92 = 22,090.20/x
  3. Step 3: Cross multiply
    39,996.24x = 55,195.92 × 22,090.20
  4. Step 4: Simplify right side
    39,996.24x = 1,219,288,911.98
  5. Step 5: Solve for x
    x = 1,219,288,911.98/39,996.24
  6. Step 6: Final answer
    x = 30,485.09

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1.5x scale

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.