Home / 29,271.73-43,821.46-18,142.69

Finding the Fourth Proportional to 29,271.73, 43,821.46 and 18,142.69

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Solution

The fourth proportional to 29,271.73, 43,821.46 and 18,142.69 is: 27,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.73 : 43,821.46 = 18,142.69 : x
  2. Step 2: Convert to fraction form
    29,271.73/43,821.46 = 18,142.69/x
  3. Step 3: Cross multiply
    29,271.73x = 43,821.46 × 18,142.69
  4. Step 4: Simplify right side
    29,271.73x = 795,039,164.13
  5. Step 5: Solve for x
    x = 795,039,164.13/29,271.73
  6. Step 6: Final answer
    x = 27,160.65

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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.