Home / 36,025.37-49,714.81-20,921.74

Finding the Fourth Proportional to 36,025.37, 49,714.81 and 20,921.74

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Solution

The fourth proportional to 36,025.37, 49,714.81 and 20,921.74 is: 28,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.37 : 49,714.81 = 20,921.74 : x
  2. Step 2: Convert to fraction form
    36,025.37/49,714.81 = 20,921.74/x
  3. Step 3: Cross multiply
    36,025.37x = 49,714.81 × 20,921.74
  4. Step 4: Simplify right side
    36,025.37x = 1,040,120,328.97
  5. Step 5: Solve for x
    x = 1,040,120,328.97/36,025.37
  6. Step 6: Final answer
    x = 28,871.88

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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.