Home / 36,141.73-54,220.19-12,451.42

Finding the Fourth Proportional to 36,141.73, 54,220.19 and 12,451.42

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Solution

The fourth proportional to 36,141.73, 54,220.19 and 12,451.42 is: 18,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,141.73 : 54,220.19 = 12,451.42 : x
  2. Step 2: Convert to fraction form
    36,141.73/54,220.19 = 12,451.42/x
  3. Step 3: Cross multiply
    36,141.73x = 54,220.19 × 12,451.42
  4. Step 4: Simplify right side
    36,141.73x = 675,118,363.69
  5. Step 5: Solve for x
    x = 675,118,363.69/36,141.73
  6. Step 6: Final answer
    x = 18,679.75

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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.