Home / 43,013.41-64,553.27-21,687.91

Finding the Fourth Proportional to 43,013.41, 64,553.27 and 21,687.91

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Solution

The fourth proportional to 43,013.41, 64,553.27 and 21,687.91 is: 32,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.41 : 64,553.27 = 21,687.91 : x
  2. Step 2: Convert to fraction form
    43,013.41/64,553.27 = 21,687.91/x
  3. Step 3: Cross multiply
    43,013.41x = 64,553.27 × 21,687.91
  4. Step 4: Simplify right side
    43,013.41x = 1,400,025,240.14
  5. Step 5: Solve for x
    x = 1,400,025,240.14/43,013.41
  6. Step 6: Final answer
    x = 32,548.58

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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.