Home / 43,110.98-64,644.60-19,717.38

Finding the Fourth Proportional to 43,110.98, 64,644.60 and 19,717.38

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Solution

The fourth proportional to 43,110.98, 64,644.60 and 19,717.38 is: 29,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.98 : 64,644.60 = 19,717.38 : x
  2. Step 2: Convert to fraction form
    43,110.98/64,644.60 = 19,717.38/x
  3. Step 3: Cross multiply
    43,110.98x = 64,644.60 × 19,717.38
  4. Step 4: Simplify right side
    43,110.98x = 1,274,622,143.15
  5. Step 5: Solve for x
    x = 1,274,622,143.15/43,110.98
  6. Step 6: Final answer
    x = 29,566.07

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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.