Home / 29,128.85-43,737.01-16,662.95

Finding the Fourth Proportional to 29,128.85, 43,737.01 and 16,662.95

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Solution

The fourth proportional to 29,128.85, 43,737.01 and 16,662.95 is: 25,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.85 : 43,737.01 = 16,662.95 : x
  2. Step 2: Convert to fraction form
    29,128.85/43,737.01 = 16,662.95/x
  3. Step 3: Cross multiply
    29,128.85x = 43,737.01 × 16,662.95
  4. Step 4: Simplify right side
    29,128.85x = 728,787,610.78
  5. Step 5: Solve for x
    x = 728,787,610.78/29,128.85
  6. Step 6: Final answer
    x = 25,019.44

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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.