Home / 29,818.20-41,151.24-19,729.02

Finding the Fourth Proportional to 29,818.20, 41,151.24 and 19,729.02

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Solution

The fourth proportional to 29,818.20, 41,151.24 and 19,729.02 is: 27,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.20 : 41,151.24 = 19,729.02 : x
  2. Step 2: Convert to fraction form
    29,818.20/41,151.24 = 19,729.02/x
  3. Step 3: Cross multiply
    29,818.20x = 41,151.24 × 19,729.02
  4. Step 4: Simplify right side
    29,818.20x = 811,873,636.98
  5. Step 5: Solve for x
    x = 811,873,636.98/29,818.20
  6. Step 6: Final answer
    x = 27,227.45

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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.