Home / 38,301.66-57,333.69-20,727.90

Finding the Fourth Proportional to 38,301.66, 57,333.69 and 20,727.90

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Solution

The fourth proportional to 38,301.66, 57,333.69 and 20,727.90 is: 31,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.66 : 57,333.69 = 20,727.90 : x
  2. Step 2: Convert to fraction form
    38,301.66/57,333.69 = 20,727.90/x
  3. Step 3: Cross multiply
    38,301.66x = 57,333.69 × 20,727.90
  4. Step 4: Simplify right side
    38,301.66x = 1,188,406,992.95
  5. Step 5: Solve for x
    x = 1,188,406,992.95/38,301.66
  6. Step 6: Final answer
    x = 31,027.56

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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.