Home / 30,175.85-41,645.27-16,749.70

Finding the Fourth Proportional to 30,175.85, 41,645.27 and 16,749.70

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Solution

The fourth proportional to 30,175.85, 41,645.27 and 16,749.70 is: 23,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.85 : 41,645.27 = 16,749.70 : x
  2. Step 2: Convert to fraction form
    30,175.85/41,645.27 = 16,749.70/x
  3. Step 3: Cross multiply
    30,175.85x = 41,645.27 × 16,749.70
  4. Step 4: Simplify right side
    30,175.85x = 697,545,716.68
  5. Step 5: Solve for x
    x = 697,545,716.68/30,175.85
  6. Step 6: Final answer
    x = 23,116.02

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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.