Home / 43,013.44-64,447.36-20,837.44

Finding the Fourth Proportional to 43,013.44, 64,447.36 and 20,837.44

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Solution

The fourth proportional to 43,013.44, 64,447.36 and 20,837.44 is: 31,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.44 : 64,447.36 = 20,837.44 : x
  2. Step 2: Convert to fraction form
    43,013.44/64,447.36 = 20,837.44/x
  3. Step 3: Cross multiply
    43,013.44x = 64,447.36 × 20,837.44
  4. Step 4: Simplify right side
    43,013.44x = 1,342,917,997.16
  5. Step 5: Solve for x
    x = 1,342,917,997.16/43,013.44
  6. Step 6: Final answer
    x = 31,220.89

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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.