Home / 37,078.46-51,163.34-20,945.68

Finding the Fourth Proportional to 37,078.46, 51,163.34 and 20,945.68

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Solution

The fourth proportional to 37,078.46, 51,163.34 and 20,945.68 is: 28,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.46 : 51,163.34 = 20,945.68 : x
  2. Step 2: Convert to fraction form
    37,078.46/51,163.34 = 20,945.68/x
  3. Step 3: Cross multiply
    37,078.46x = 51,163.34 × 20,945.68
  4. Step 4: Simplify right side
    37,078.46x = 1,071,650,947.37
  5. Step 5: Solve for x
    x = 1,071,650,947.37/37,078.46
  6. Step 6: Final answer
    x = 28,902.25

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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.