Home / 29,131.52-43,666.94-19,772.28

Finding the Fourth Proportional to 29,131.52, 43,666.94 and 19,772.28

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Solution

The fourth proportional to 29,131.52, 43,666.94 and 19,772.28 is: 29,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.52 : 43,666.94 = 19,772.28 : x
  2. Step 2: Convert to fraction form
    29,131.52/43,666.94 = 19,772.28/x
  3. Step 3: Cross multiply
    29,131.52x = 43,666.94 × 19,772.28
  4. Step 4: Simplify right side
    29,131.52x = 863,394,964.42
  5. Step 5: Solve for x
    x = 863,394,964.42/29,131.52
  6. Step 6: Final answer
    x = 29,637.83

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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.