Home / 36,222.21-49,986.74-20,090.66

Finding the Fourth Proportional to 36,222.21, 49,986.74 and 20,090.66

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Solution

The fourth proportional to 36,222.21, 49,986.74 and 20,090.66 is: 27,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.21 : 49,986.74 = 20,090.66 : x
  2. Step 2: Convert to fraction form
    36,222.21/49,986.74 = 20,090.66/x
  3. Step 3: Cross multiply
    36,222.21x = 49,986.74 × 20,090.66
  4. Step 4: Simplify right side
    36,222.21x = 1,004,266,247.46
  5. Step 5: Solve for x
    x = 1,004,266,247.46/36,222.21
  6. Step 6: Final answer
    x = 27,725.15

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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.