Home / 30,197.51-41,668.11-16,768.88

Finding the Fourth Proportional to 30,197.51, 41,668.11 and 16,768.88

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Solution

The fourth proportional to 30,197.51, 41,668.11 and 16,768.88 is: 23,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.51 : 41,668.11 = 16,768.88 : x
  2. Step 2: Convert to fraction form
    30,197.51/41,668.11 = 16,768.88/x
  3. Step 3: Cross multiply
    30,197.51x = 41,668.11 × 16,768.88
  4. Step 4: Simplify right side
    30,197.51x = 698,727,536.42
  5. Step 5: Solve for x
    x = 698,727,536.42/30,197.51
  6. Step 6: Final answer
    x = 23,138.58

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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.