Home / 29,195.20-43,792.80-13,643.20

Finding the Fourth Proportional to 29,195.20, 43,792.80 and 13,643.20

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Solution

The fourth proportional to 29,195.20, 43,792.80 and 13,643.20 is: 20,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,195.20 : 43,792.80 = 13,643.20 : x
  2. Step 2: Convert to fraction form
    29,195.20/43,792.80 = 13,643.20/x
  3. Step 3: Cross multiply
    29,195.20x = 43,792.80 × 13,643.20
  4. Step 4: Simplify right side
    29,195.20x = 597,473,928.96
  5. Step 5: Solve for x
    x = 597,473,928.96/29,195.20
  6. Step 6: Final answer
    x = 20,464.80

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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.