Home / 30,170.03-41,630.14-16,741.25

Finding the Fourth Proportional to 30,170.03, 41,630.14 and 16,741.25

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Solution

The fourth proportional to 30,170.03, 41,630.14 and 16,741.25 is: 23,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.03 : 41,630.14 = 16,741.25 : x
  2. Step 2: Convert to fraction form
    30,170.03/41,630.14 = 16,741.25/x
  3. Step 3: Cross multiply
    30,170.03x = 41,630.14 × 16,741.25
  4. Step 4: Simplify right side
    30,170.03x = 696,940,289.42
  5. Step 5: Solve for x
    x = 696,940,289.42/30,170.03
  6. Step 6: Final answer
    x = 23,100.42

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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.