Home / 30,170.58-41,635.77-16,743.16

Finding the Fourth Proportional to 30,170.58, 41,635.77 and 16,743.16

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Solution

The fourth proportional to 30,170.58, 41,635.77 and 16,743.16 is: 23,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.58 : 41,635.77 = 16,743.16 : x
  2. Step 2: Convert to fraction form
    30,170.58/41,635.77 = 16,743.16/x
  3. Step 3: Cross multiply
    30,170.58x = 41,635.77 × 16,743.16
  4. Step 4: Simplify right side
    30,170.58x = 697,114,208.07
  5. Step 5: Solve for x
    x = 697,114,208.07/30,170.58
  6. Step 6: Final answer
    x = 23,105.76

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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.