Home / 37,076.76-51,163.11-21,159.05

Finding the Fourth Proportional to 37,076.76, 51,163.11 and 21,159.05

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Solution

The fourth proportional to 37,076.76, 51,163.11 and 21,159.05 is: 29,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,076.76 : 51,163.11 = 21,159.05 : x
  2. Step 2: Convert to fraction form
    37,076.76/51,163.11 = 21,159.05/x
  3. Step 3: Cross multiply
    37,076.76x = 51,163.11 × 21,159.05
  4. Step 4: Simplify right side
    37,076.76x = 1,082,562,546.83
  5. Step 5: Solve for x
    x = 1,082,562,546.83/37,076.76
  6. Step 6: Final answer
    x = 29,197.87

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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.