Home / 29,111.40-43,629.30-13,495.80

Finding the Fourth Proportional to 29,111.40, 43,629.30 and 13,495.80

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Solution

The fourth proportional to 29,111.40, 43,629.30 and 13,495.80 is: 20,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.40 : 43,629.30 = 13,495.80 : x
  2. Step 2: Convert to fraction form
    29,111.40/43,629.30 = 13,495.80/x
  3. Step 3: Cross multiply
    29,111.40x = 43,629.30 × 13,495.80
  4. Step 4: Simplify right side
    29,111.40x = 588,812,306.94
  5. Step 5: Solve for x
    x = 588,812,306.94/29,111.40
  6. Step 6: Final answer
    x = 20,226.18

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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.