Home / 29,310.12-43,939.26-21,905.64

Finding the Fourth Proportional to 29,310.12, 43,939.26 and 21,905.64

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Solution

The fourth proportional to 29,310.12, 43,939.26 and 21,905.64 is: 32,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.12 : 43,939.26 = 21,905.64 : x
  2. Step 2: Convert to fraction form
    29,310.12/43,939.26 = 21,905.64/x
  3. Step 3: Cross multiply
    29,310.12x = 43,939.26 × 21,905.64
  4. Step 4: Simplify right side
    29,310.12x = 962,517,611.43
  5. Step 5: Solve for x
    x = 962,517,611.43/29,310.12
  6. Step 6: Final answer
    x = 32,839.09

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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.