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Finding the Fourth Proportional to 29,150.80, 43,729.38 and 10,682.80

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Solution

The fourth proportional to 29,150.80, 43,729.38 and 10,682.80 is: 16,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.80 : 43,729.38 = 10,682.80 : x
  2. Step 2: Convert to fraction form
    29,150.80/43,729.38 = 10,682.80/x
  3. Step 3: Cross multiply
    29,150.80x = 43,729.38 × 10,682.80
  4. Step 4: Simplify right side
    29,150.80x = 467,152,220.66
  5. Step 5: Solve for x
    x = 467,152,220.66/29,150.80
  6. Step 6: Final answer
    x = 16,025.37

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1.5x scale

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.