Home / 43,324.54-64,991.09-18,018.86

Finding the Fourth Proportional to 43,324.54, 64,991.09 and 18,018.86

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Solution

The fourth proportional to 43,324.54, 64,991.09 and 18,018.86 is: 27,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.54 : 64,991.09 = 18,018.86 : x
  2. Step 2: Convert to fraction form
    43,324.54/64,991.09 = 18,018.86/x
  3. Step 3: Cross multiply
    43,324.54x = 64,991.09 × 18,018.86
  4. Step 4: Simplify right side
    43,324.54x = 1,171,065,072.05
  5. Step 5: Solve for x
    x = 1,171,065,072.05/43,324.54
  6. Step 6: Final answer
    x = 27,030.07

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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.