Home / 36,422.82-54,639.99-12,736.94

Finding the Fourth Proportional to 36,422.82, 54,639.99 and 12,736.94

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Solution

The fourth proportional to 36,422.82, 54,639.99 and 12,736.94 is: 19,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.82 : 54,639.99 = 12,736.94 : x
  2. Step 2: Convert to fraction form
    36,422.82/54,639.99 = 12,736.94/x
  3. Step 3: Cross multiply
    36,422.82x = 54,639.99 × 12,736.94
  4. Step 4: Simplify right side
    36,422.82x = 695,946,001.03
  5. Step 5: Solve for x
    x = 695,946,001.03/36,422.82
  6. Step 6: Final answer
    x = 19,107.42

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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.