Home / 30,170.57-41,635.53-16,741.82

Finding the Fourth Proportional to 30,170.57, 41,635.53 and 16,741.82

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Solution

The fourth proportional to 30,170.57, 41,635.53 and 16,741.82 is: 23,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.57 : 41,635.53 = 16,741.82 : x
  2. Step 2: Convert to fraction form
    30,170.57/41,635.53 = 16,741.82/x
  3. Step 3: Cross multiply
    30,170.57x = 41,635.53 × 16,741.82
  4. Step 4: Simplify right side
    30,170.57x = 697,054,548.86
  5. Step 5: Solve for x
    x = 697,054,548.86/30,170.57
  6. Step 6: Final answer
    x = 23,103.79

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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.