Home / 20,338.10-30,504.01-5,548.22

Finding the Fourth Proportional to 20,338.10, 30,504.01 and 5,548.22

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Solution

The fourth proportional to 20,338.10, 30,504.01 and 5,548.22 is: 8,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.10 : 30,504.01 = 5,548.22 : x
  2. Step 2: Convert to fraction form
    20,338.10/30,504.01 = 5,548.22/x
  3. Step 3: Cross multiply
    20,338.10x = 30,504.01 × 5,548.22
  4. Step 4: Simplify right side
    20,338.10x = 169,242,791.97
  5. Step 5: Solve for x
    x = 169,242,791.97/20,338.10
  6. Step 6: Final answer
    x = 8,321.47

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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.