Home / 43,243.62-64,845.94-18,270.82

Finding the Fourth Proportional to 43,243.62, 64,845.94 and 18,270.82

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Solution

The fourth proportional to 43,243.62, 64,845.94 and 18,270.82 is: 27,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.62 : 64,845.94 = 18,270.82 : x
  2. Step 2: Convert to fraction form
    43,243.62/64,845.94 = 18,270.82/x
  3. Step 3: Cross multiply
    43,243.62x = 64,845.94 × 18,270.82
  4. Step 4: Simplify right side
    43,243.62x = 1,184,788,253.74
  5. Step 5: Solve for x
    x = 1,184,788,253.74/43,243.62
  6. Step 6: Final answer
    x = 27,397.99

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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.