Home / 29,219.40-43,777.26-19,940.04

Finding the Fourth Proportional to 29,219.40, 43,777.26 and 19,940.04

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Solution

The fourth proportional to 29,219.40, 43,777.26 and 19,940.04 is: 29,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.40 : 43,777.26 = 19,940.04 : x
  2. Step 2: Convert to fraction form
    29,219.40/43,777.26 = 19,940.04/x
  3. Step 3: Cross multiply
    29,219.40x = 43,777.26 × 19,940.04
  4. Step 4: Simplify right side
    29,219.40x = 872,920,315.49
  5. Step 5: Solve for x
    x = 872,920,315.49/29,219.40
  6. Step 6: Final answer
    x = 29,874.68

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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.