Home / 37,218.10-51,360.36-20,222.61

Finding the Fourth Proportional to 37,218.10, 51,360.36 and 20,222.61

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Solution

The fourth proportional to 37,218.10, 51,360.36 and 20,222.61 is: 27,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.10 : 51,360.36 = 20,222.61 : x
  2. Step 2: Convert to fraction form
    37,218.10/51,360.36 = 20,222.61/x
  3. Step 3: Cross multiply
    37,218.10x = 51,360.36 × 20,222.61
  4. Step 4: Simplify right side
    37,218.10x = 1,038,640,261.30
  5. Step 5: Solve for x
    x = 1,038,640,261.30/37,218.10
  6. Step 6: Final answer
    x = 27,906.86

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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.