Home / 42,995.64-64,481.94-11,832.60

Finding the Fourth Proportional to 42,995.64, 64,481.94 and 11,832.60

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Solution

The fourth proportional to 42,995.64, 64,481.94 and 11,832.60 is: 17,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,995.64 : 64,481.94 = 11,832.60 : x
  2. Step 2: Convert to fraction form
    42,995.64/64,481.94 = 11,832.60/x
  3. Step 3: Cross multiply
    42,995.64x = 64,481.94 × 11,832.60
  4. Step 4: Simplify right side
    42,995.64x = 762,989,003.24
  5. Step 5: Solve for x
    x = 762,989,003.24/42,995.64
  6. Step 6: Final answer
    x = 17,745.73

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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.