Home / 30,511.38-45,773.91-10,791.48

Finding the Fourth Proportional to 30,511.38, 45,773.91 and 10,791.48

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Solution

The fourth proportional to 30,511.38, 45,773.91 and 10,791.48 is: 16,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511.38 : 45,773.91 = 10,791.48 : x
  2. Step 2: Convert to fraction form
    30,511.38/45,773.91 = 10,791.48/x
  3. Step 3: Cross multiply
    30,511.38x = 45,773.91 × 10,791.48
  4. Step 4: Simplify right side
    30,511.38x = 493,968,148.46
  5. Step 5: Solve for x
    x = 493,968,148.46/30,511.38
  6. Step 6: Final answer
    x = 16,189.63

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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.