Home / 44,404.89-66,640.20-21,031.38

Finding the Fourth Proportional to 44,404.89, 66,640.20 and 21,031.38

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Solution

The fourth proportional to 44,404.89, 66,640.20 and 21,031.38 is: 31,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,404.89 : 66,640.20 = 21,031.38 : x
  2. Step 2: Convert to fraction form
    44,404.89/66,640.20 = 21,031.38/x
  3. Step 3: Cross multiply
    44,404.89x = 66,640.20 × 21,031.38
  4. Step 4: Simplify right side
    44,404.89x = 1,401,535,369.48
  5. Step 5: Solve for x
    x = 1,401,535,369.48/44,404.89
  6. Step 6: Final answer
    x = 31,562.64

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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.