Home / 29,157.53-43,665.21-16,639.72

Finding the Fourth Proportional to 29,157.53, 43,665.21 and 16,639.72

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Solution

The fourth proportional to 29,157.53, 43,665.21 and 16,639.72 is: 24,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.53 : 43,665.21 = 16,639.72 : x
  2. Step 2: Convert to fraction form
    29,157.53/43,665.21 = 16,639.72/x
  3. Step 3: Cross multiply
    29,157.53x = 43,665.21 × 16,639.72
  4. Step 4: Simplify right side
    29,157.53x = 726,576,758.98
  5. Step 5: Solve for x
    x = 726,576,758.98/29,157.53
  6. Step 6: Final answer
    x = 24,919.01

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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.