Home / 30,059.12-41,481.36-16,811.12

Finding the Fourth Proportional to 30,059.12, 41,481.36 and 16,811.12

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Solution

The fourth proportional to 30,059.12, 41,481.36 and 16,811.12 is: 23,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.12 : 41,481.36 = 16,811.12 : x
  2. Step 2: Convert to fraction form
    30,059.12/41,481.36 = 16,811.12/x
  3. Step 3: Cross multiply
    30,059.12x = 41,481.36 × 16,811.12
  4. Step 4: Simplify right side
    30,059.12x = 697,348,120.72
  5. Step 5: Solve for x
    x = 697,348,120.72/30,059.12
  6. Step 6: Final answer
    x = 23,199.22

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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.