Home / 36,076.08-49,786.05-20,160.56

Finding the Fourth Proportional to 36,076.08, 49,786.05 and 20,160.56

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Solution

The fourth proportional to 36,076.08, 49,786.05 and 20,160.56 is: 27,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.08 : 49,786.05 = 20,160.56 : x
  2. Step 2: Convert to fraction form
    36,076.08/49,786.05 = 20,160.56/x
  3. Step 3: Cross multiply
    36,076.08x = 49,786.05 × 20,160.56
  4. Step 4: Simplify right side
    36,076.08x = 1,003,714,772.65
  5. Step 5: Solve for x
    x = 1,003,714,772.65/36,076.08
  6. Step 6: Final answer
    x = 27,822.17

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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.