Home / 40,538.21-55,942.20-22,633.52

Finding the Fourth Proportional to 40,538.21, 55,942.20 and 22,633.52

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Solution

The fourth proportional to 40,538.21, 55,942.20 and 22,633.52 is: 31,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.21 : 55,942.20 = 22,633.52 : x
  2. Step 2: Convert to fraction form
    40,538.21/55,942.20 = 22,633.52/x
  3. Step 3: Cross multiply
    40,538.21x = 55,942.20 × 22,633.52
  4. Step 4: Simplify right side
    40,538.21x = 1,266,168,622.83
  5. Step 5: Solve for x
    x = 1,266,168,622.83/40,538.21
  6. Step 6: Final answer
    x = 31,233.96

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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.