Home / 36,101.93-49,821.77-20,189.21

Finding the Fourth Proportional to 36,101.93, 49,821.77 and 20,189.21

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Solution

The fourth proportional to 36,101.93, 49,821.77 and 20,189.21 is: 27,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.93 : 49,821.77 = 20,189.21 : x
  2. Step 2: Convert to fraction form
    36,101.93/49,821.77 = 20,189.21/x
  3. Step 3: Cross multiply
    36,101.93x = 49,821.77 × 20,189.21
  4. Step 4: Simplify right side
    36,101.93x = 1,005,862,177.10
  5. Step 5: Solve for x
    x = 1,005,862,177.10/36,101.93
  6. Step 6: Final answer
    x = 27,861.73

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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.