Home / 30,126.99-41,576.78-17,375.43

Finding the Fourth Proportional to 30,126.99, 41,576.78 and 17,375.43

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Solution

The fourth proportional to 30,126.99, 41,576.78 and 17,375.43 is: 23,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.99 : 41,576.78 = 17,375.43 : x
  2. Step 2: Convert to fraction form
    30,126.99/41,576.78 = 17,375.43/x
  3. Step 3: Cross multiply
    30,126.99x = 41,576.78 × 17,375.43
  4. Step 4: Simplify right side
    30,126.99x = 722,414,430.52
  5. Step 5: Solve for x
    x = 722,414,430.52/30,126.99
  6. Step 6: Final answer
    x = 23,978.98

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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.