Home / 30,170.36-41,635.28-16,741.89

Finding the Fourth Proportional to 30,170.36, 41,635.28 and 16,741.89

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Solution

The fourth proportional to 30,170.36, 41,635.28 and 16,741.89 is: 23,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.36 : 41,635.28 = 16,741.89 : x
  2. Step 2: Convert to fraction form
    30,170.36/41,635.28 = 16,741.89/x
  3. Step 3: Cross multiply
    30,170.36x = 41,635.28 × 16,741.89
  4. Step 4: Simplify right side
    30,170.36x = 697,053,319.73
  5. Step 5: Solve for x
    x = 697,053,319.73/30,170.36
  6. Step 6: Final answer
    x = 23,103.91

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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.