Home / 29,116.62-43,661.16-13,317.03

Finding the Fourth Proportional to 29,116.62, 43,661.16 and 13,317.03

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Solution

The fourth proportional to 29,116.62, 43,661.16 and 13,317.03 is: 19,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.62 : 43,661.16 = 13,317.03 : x
  2. Step 2: Convert to fraction form
    29,116.62/43,661.16 = 13,317.03/x
  3. Step 3: Cross multiply
    29,116.62x = 43,661.16 × 13,317.03
  4. Step 4: Simplify right side
    29,116.62x = 581,436,977.55
  5. Step 5: Solve for x
    x = 581,436,977.55/29,116.62
  6. Step 6: Final answer
    x = 19,969.25

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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.