Home / 29,309.74-43,964.64-20,583.61

Finding the Fourth Proportional to 29,309.74, 43,964.64 and 20,583.61

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Solution

The fourth proportional to 29,309.74, 43,964.64 and 20,583.61 is: 30,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.74 : 43,964.64 = 20,583.61 : x
  2. Step 2: Convert to fraction form
    29,309.74/43,964.64 = 20,583.61/x
  3. Step 3: Cross multiply
    29,309.74x = 43,964.64 × 20,583.61
  4. Step 4: Simplify right side
    29,309.74x = 904,950,893.64
  5. Step 5: Solve for x
    x = 904,950,893.64/29,309.74
  6. Step 6: Final answer
    x = 30,875.43

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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.