Home / 29,117.62-43,662.66-13,318.03

Finding the Fourth Proportional to 29,117.62, 43,662.66 and 13,318.03

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Solution

The fourth proportional to 29,117.62, 43,662.66 and 13,318.03 is: 19,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.62 : 43,662.66 = 13,318.03 : x
  2. Step 2: Convert to fraction form
    29,117.62/43,662.66 = 13,318.03/x
  3. Step 3: Cross multiply
    29,117.62x = 43,662.66 × 13,318.03
  4. Step 4: Simplify right side
    29,117.62x = 581,500,615.76
  5. Step 5: Solve for x
    x = 581,500,615.76/29,117.62
  6. Step 6: Final answer
    x = 19,970.75

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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.