Home / 45,011.72-67,517.58-17,290.28

Finding the Fourth Proportional to 45,011.72, 67,517.58 and 17,290.28

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Solution

The fourth proportional to 45,011.72, 67,517.58 and 17,290.28 is: 25,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.72 : 67,517.58 = 17,290.28 : x
  2. Step 2: Convert to fraction form
    45,011.72/67,517.58 = 17,290.28/x
  3. Step 3: Cross multiply
    45,011.72x = 67,517.58 × 17,290.28
  4. Step 4: Simplify right side
    45,011.72x = 1,167,397,863.12
  5. Step 5: Solve for x
    x = 1,167,397,863.12/45,011.72
  6. Step 6: Final answer
    x = 25,935.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.