Home / 37,227.70-51,375.21-21,317.28

Finding the Fourth Proportional to 37,227.70, 51,375.21 and 21,317.28

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Solution

The fourth proportional to 37,227.70, 51,375.21 and 21,317.28 is: 29,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,227.70 : 51,375.21 = 21,317.28 : x
  2. Step 2: Convert to fraction form
    37,227.70/51,375.21 = 21,317.28/x
  3. Step 3: Cross multiply
    37,227.70x = 51,375.21 × 21,317.28
  4. Step 4: Simplify right side
    37,227.70x = 1,095,179,583.94
  5. Step 5: Solve for x
    x = 1,095,179,583.94/37,227.70
  6. Step 6: Final answer
    x = 29,418.40

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1.5x scale

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.