Home / 29,105.80-43,608.30-13,491.40

Finding the Fourth Proportional to 29,105.80, 43,608.30 and 13,491.40

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Solution

The fourth proportional to 29,105.80, 43,608.30 and 13,491.40 is: 20,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.80 : 43,608.30 = 13,491.40 : x
  2. Step 2: Convert to fraction form
    29,105.80/43,608.30 = 13,491.40/x
  3. Step 3: Cross multiply
    29,105.80x = 43,608.30 × 13,491.40
  4. Step 4: Simplify right side
    29,105.80x = 588,337,018.62
  5. Step 5: Solve for x
    x = 588,337,018.62/29,105.80
  6. Step 6: Final answer
    x = 20,213.74

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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.