Home / 30,243.76-41,733.22-16,812.85

Finding the Fourth Proportional to 30,243.76, 41,733.22 and 16,812.85

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Solution

The fourth proportional to 30,243.76, 41,733.22 and 16,812.85 is: 23,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.76 : 41,733.22 = 16,812.85 : x
  2. Step 2: Convert to fraction form
    30,243.76/41,733.22 = 16,812.85/x
  3. Step 3: Cross multiply
    30,243.76x = 41,733.22 × 16,812.85
  4. Step 4: Simplify right side
    30,243.76x = 701,654,367.88
  5. Step 5: Solve for x
    x = 701,654,367.88/30,243.76
  6. Step 6: Final answer
    x = 23,199.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.