Home / 43,029.02-64,546.78-11,864

Finding the Fourth Proportional to 43,029.02, 64,546.78 and 11,864

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Solution

The fourth proportional to 43,029.02, 64,546.78 and 11,864 is: 17,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.02 : 64,546.78 = 11,864 : x
  2. Step 2: Convert to fraction form
    43,029.02/64,546.78 = 11,864/x
  3. Step 3: Cross multiply
    43,029.02x = 64,546.78 × 11,864
  4. Step 4: Simplify right side
    43,029.02x = 765,782,997.92
  5. Step 5: Solve for x
    x = 765,782,997.92/43,029.02
  6. Step 6: Final answer
    x = 17,796.90

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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.