Home / 29,106.47-43,620.26-13,291.90

Finding the Fourth Proportional to 29,106.47, 43,620.26 and 13,291.90

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Solution

The fourth proportional to 29,106.47, 43,620.26 and 13,291.90 is: 19,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.47 : 43,620.26 = 13,291.90 : x
  2. Step 2: Convert to fraction form
    29,106.47/43,620.26 = 13,291.90/x
  3. Step 3: Cross multiply
    29,106.47x = 43,620.26 × 13,291.90
  4. Step 4: Simplify right side
    29,106.47x = 579,795,958.38
  5. Step 5: Solve for x
    x = 579,795,958.38/29,106.47
  6. Step 6: Final answer
    x = 19,919.83

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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.