Home / 36,077.48-49,786.06-20,165

Finding the Fourth Proportional to 36,077.48, 49,786.06 and 20,165

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Solution

The fourth proportional to 36,077.48, 49,786.06 and 20,165 is: 27,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.48 : 49,786.06 = 20,165 : x
  2. Step 2: Convert to fraction form
    36,077.48/49,786.06 = 20,165/x
  3. Step 3: Cross multiply
    36,077.48x = 49,786.06 × 20,165
  4. Step 4: Simplify right side
    36,077.48x = 1,003,935,899.90
  5. Step 5: Solve for x
    x = 1,003,935,899.90/36,077.48
  6. Step 6: Final answer
    x = 27,827.22

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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.