Home / 35,971.14-49,644.67-20,662.48

Finding the Fourth Proportional to 35,971.14, 49,644.67 and 20,662.48

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Solution

The fourth proportional to 35,971.14, 49,644.67 and 20,662.48 is: 28,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.14 : 49,644.67 = 20,662.48 : x
  2. Step 2: Convert to fraction form
    35,971.14/49,644.67 = 20,662.48/x
  3. Step 3: Cross multiply
    35,971.14x = 49,644.67 × 20,662.48
  4. Step 4: Simplify right side
    35,971.14x = 1,025,782,000.98
  5. Step 5: Solve for x
    x = 1,025,782,000.98/35,971.14
  6. Step 6: Final answer
    x = 28,516.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.