Home / 36,090.97-49,806.19-20,173.71

Finding the Fourth Proportional to 36,090.97, 49,806.19 and 20,173.71

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Solution

The fourth proportional to 36,090.97, 49,806.19 and 20,173.71 is: 27,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.97 : 49,806.19 = 20,173.71 : x
  2. Step 2: Convert to fraction form
    36,090.97/49,806.19 = 20,173.71/x
  3. Step 3: Cross multiply
    36,090.97x = 49,806.19 × 20,173.71
  4. Step 4: Simplify right side
    36,090.97x = 1,004,775,565.10
  5. Step 5: Solve for x
    x = 1,004,775,565.10/36,090.97
  6. Step 6: Final answer
    x = 27,840.08

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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.