Home / 30,668.76-46,003.28-9,321.66

Finding the Fourth Proportional to 30,668.76, 46,003.28 and 9,321.66

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Solution

The fourth proportional to 30,668.76, 46,003.28 and 9,321.66 is: 13,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.76 : 46,003.28 = 9,321.66 : x
  2. Step 2: Convert to fraction form
    30,668.76/46,003.28 = 9,321.66/x
  3. Step 3: Cross multiply
    30,668.76x = 46,003.28 × 9,321.66
  4. Step 4: Simplify right side
    30,668.76x = 428,826,888.44
  5. Step 5: Solve for x
    x = 428,826,888.44/30,668.76
  6. Step 6: Final answer
    x = 13,982.53

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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.