Home / 43,076.53-64,521.24-20,843.25

Finding the Fourth Proportional to 43,076.53, 64,521.24 and 20,843.25

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Solution

The fourth proportional to 43,076.53, 64,521.24 and 20,843.25 is: 31,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.53 : 64,521.24 = 20,843.25 : x
  2. Step 2: Convert to fraction form
    43,076.53/64,521.24 = 20,843.25/x
  3. Step 3: Cross multiply
    43,076.53x = 64,521.24 × 20,843.25
  4. Step 4: Simplify right side
    43,076.53x = 1,344,832,335.63
  5. Step 5: Solve for x
    x = 1,344,832,335.63/43,076.53
  6. Step 6: Final answer
    x = 31,219.61

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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.