Home / 29,213.64-43,846.50-13,640.04

Finding the Fourth Proportional to 29,213.64, 43,846.50 and 13,640.04

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Solution

The fourth proportional to 29,213.64, 43,846.50 and 13,640.04 is: 20,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,213.64 : 43,846.50 = 13,640.04 : x
  2. Step 2: Convert to fraction form
    29,213.64/43,846.50 = 13,640.04/x
  3. Step 3: Cross multiply
    29,213.64x = 43,846.50 × 13,640.04
  4. Step 4: Simplify right side
    29,213.64x = 598,068,013.86
  5. Step 5: Solve for x
    x = 598,068,013.86/29,213.64
  6. Step 6: Final answer
    x = 20,472.22

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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.