Home / 49,451.82-74,176.70-12,012.09

Finding the Fourth Proportional to 49,451.82, 74,176.70 and 12,012.09

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Solution

The fourth proportional to 49,451.82, 74,176.70 and 12,012.09 is: 18,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.82 : 74,176.70 = 12,012.09 : x
  2. Step 2: Convert to fraction form
    49,451.82/74,176.70 = 12,012.09/x
  3. Step 3: Cross multiply
    49,451.82x = 74,176.70 × 12,012.09
  4. Step 4: Simplify right side
    49,451.82x = 891,016,825.42
  5. Step 5: Solve for x
    x = 891,016,825.42/49,451.82
  6. Step 6: Final answer
    x = 18,017.88

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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.