Home / 38,836.75-58,129.82-20,090.97

Finding the Fourth Proportional to 38,836.75, 58,129.82 and 20,090.97

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Solution

The fourth proportional to 38,836.75, 58,129.82 and 20,090.97 is: 30,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.75 : 58,129.82 = 20,090.97 : x
  2. Step 2: Convert to fraction form
    38,836.75/58,129.82 = 20,090.97/x
  3. Step 3: Cross multiply
    38,836.75x = 58,129.82 × 20,090.97
  4. Step 4: Simplify right side
    38,836.75x = 1,167,884,519.95
  5. Step 5: Solve for x
    x = 1,167,884,519.95/38,836.75
  6. Step 6: Final answer
    x = 30,071.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.