Home / 36,101.09-49,820.16-20,185.20

Finding the Fourth Proportional to 36,101.09, 49,820.16 and 20,185.20

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Solution

The fourth proportional to 36,101.09, 49,820.16 and 20,185.20 is: 27,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.09 : 49,820.16 = 20,185.20 : x
  2. Step 2: Convert to fraction form
    36,101.09/49,820.16 = 20,185.20/x
  3. Step 3: Cross multiply
    36,101.09x = 49,820.16 × 20,185.20
  4. Step 4: Simplify right side
    36,101.09x = 1,005,629,969.33
  5. Step 5: Solve for x
    x = 1,005,629,969.33/36,101.09
  6. Step 6: Final answer
    x = 27,855.94

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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.