Home / 37,137.30-51,246.25-21,822.22

Finding the Fourth Proportional to 37,137.30, 51,246.25 and 21,822.22

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Solution

The fourth proportional to 37,137.30, 51,246.25 and 21,822.22 is: 30,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.30 : 51,246.25 = 21,822.22 : x
  2. Step 2: Convert to fraction form
    37,137.30/51,246.25 = 21,822.22/x
  3. Step 3: Cross multiply
    37,137.30x = 51,246.25 × 21,822.22
  4. Step 4: Simplify right side
    37,137.30x = 1,118,307,073.93
  5. Step 5: Solve for x
    x = 1,118,307,073.93/37,137.30
  6. Step 6: Final answer
    x = 30,112.78

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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.