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Finding the Fourth Proportional to 32,668.82, 45,080.43 and 18,523.94

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Solution

The fourth proportional to 32,668.82, 45,080.43 and 18,523.94 is: 25,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.82 : 45,080.43 = 18,523.94 : x
  2. Step 2: Convert to fraction form
    32,668.82/45,080.43 = 18,523.94/x
  3. Step 3: Cross multiply
    32,668.82x = 45,080.43 × 18,523.94
  4. Step 4: Simplify right side
    32,668.82x = 835,067,180.49
  5. Step 5: Solve for x
    x = 835,067,180.49/32,668.82
  6. Step 6: Final answer
    x = 25,561.60

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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.