Home / 36,101.96-49,821.76-20,186.48

Finding the Fourth Proportional to 36,101.96, 49,821.76 and 20,186.48

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Solution

The fourth proportional to 36,101.96, 49,821.76 and 20,186.48 is: 27,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.96 : 49,821.76 = 20,186.48 : x
  2. Step 2: Convert to fraction form
    36,101.96/49,821.76 = 20,186.48/x
  3. Step 3: Cross multiply
    36,101.96x = 49,821.76 × 20,186.48
  4. Step 4: Simplify right side
    36,101.96x = 1,005,725,961.80
  5. Step 5: Solve for x
    x = 1,005,725,961.80/36,101.96
  6. Step 6: Final answer
    x = 27,857.93

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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.