Home / 49,791.30-74,685.06-20,201.22

Finding the Fourth Proportional to 49,791.30, 74,685.06 and 20,201.22

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Solution

The fourth proportional to 49,791.30, 74,685.06 and 20,201.22 is: 30,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.30 : 74,685.06 = 20,201.22 : x
  2. Step 2: Convert to fraction form
    49,791.30/74,685.06 = 20,201.22/x
  3. Step 3: Cross multiply
    49,791.30x = 74,685.06 × 20,201.22
  4. Step 4: Simplify right side
    49,791.30x = 1,508,729,327.77
  5. Step 5: Solve for x
    x = 1,508,729,327.77/49,791.30
  6. Step 6: Final answer
    x = 30,301.06

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1.5x scale

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.