Home / 37,512.50-51,767.28-20,745.50

Finding the Fourth Proportional to 37,512.50, 51,767.28 and 20,745.50

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Solution

The fourth proportional to 37,512.50, 51,767.28 and 20,745.50 is: 28,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.50 : 51,767.28 = 20,745.50 : x
  2. Step 2: Convert to fraction form
    37,512.50/51,767.28 = 20,745.50/x
  3. Step 3: Cross multiply
    37,512.50x = 51,767.28 × 20,745.50
  4. Step 4: Simplify right side
    37,512.50x = 1,073,938,107.24
  5. Step 5: Solve for x
    x = 1,073,938,107.24/37,512.50
  6. Step 6: Final answer
    x = 28,628.81

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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.