Home / 31,841.06-43,941.17-18,229.05

Finding the Fourth Proportional to 31,841.06, 43,941.17 and 18,229.05

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Solution

The fourth proportional to 31,841.06, 43,941.17 and 18,229.05 is: 25,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.06 : 43,941.17 = 18,229.05 : x
  2. Step 2: Convert to fraction form
    31,841.06/43,941.17 = 18,229.05/x
  3. Step 3: Cross multiply
    31,841.06x = 43,941.17 × 18,229.05
  4. Step 4: Simplify right side
    31,841.06x = 801,005,597.42
  5. Step 5: Solve for x
    x = 801,005,597.42/31,841.06
  6. Step 6: Final answer
    x = 25,156.38

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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.