Home / 30,481.14-45,723.75-11,761.38

Finding the Fourth Proportional to 30,481.14, 45,723.75 and 11,761.38

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Solution

The fourth proportional to 30,481.14, 45,723.75 and 11,761.38 is: 17,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.14 : 45,723.75 = 11,761.38 : x
  2. Step 2: Convert to fraction form
    30,481.14/45,723.75 = 11,761.38/x
  3. Step 3: Cross multiply
    30,481.14x = 45,723.75 × 11,761.38
  4. Step 4: Simplify right side
    30,481.14x = 537,774,398.78
  5. Step 5: Solve for x
    x = 537,774,398.78/30,481.14
  6. Step 6: Final answer
    x = 17,642.86

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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.