Home / 29,634.61-40,896.44-18,311.87

Finding the Fourth Proportional to 29,634.61, 40,896.44 and 18,311.87

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Solution

The fourth proportional to 29,634.61, 40,896.44 and 18,311.87 is: 25,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,634.61 : 40,896.44 = 18,311.87 : x
  2. Step 2: Convert to fraction form
    29,634.61/40,896.44 = 18,311.87/x
  3. Step 3: Cross multiply
    29,634.61x = 40,896.44 × 18,311.87
  4. Step 4: Simplify right side
    29,634.61x = 748,890,475.10
  5. Step 5: Solve for x
    x = 748,890,475.10/29,634.61
  6. Step 6: Final answer
    x = 25,270.81

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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.