Home / 36,002.54-49,686-20,090.10

Finding the Fourth Proportional to 36,002.54, 49,686 and 20,090.10

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Solution

The fourth proportional to 36,002.54, 49,686 and 20,090.10 is: 27,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.54 : 49,686 = 20,090.10 : x
  2. Step 2: Convert to fraction form
    36,002.54/49,686 = 20,090.10/x
  3. Step 3: Cross multiply
    36,002.54x = 49,686 × 20,090.10
  4. Step 4: Simplify right side
    36,002.54x = 998,196,708.60
  5. Step 5: Solve for x
    x = 998,196,708.60/36,002.54
  6. Step 6: Final answer
    x = 27,725.73

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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.