Home / 36,069.66-54,107.16-12,378.96

Finding the Fourth Proportional to 36,069.66, 54,107.16 and 12,378.96

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Solution

The fourth proportional to 36,069.66, 54,107.16 and 12,378.96 is: 18,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.66 : 54,107.16 = 12,378.96 : x
  2. Step 2: Convert to fraction form
    36,069.66/54,107.16 = 12,378.96/x
  3. Step 3: Cross multiply
    36,069.66x = 54,107.16 × 12,378.96
  4. Step 4: Simplify right side
    36,069.66x = 669,790,369.35
  5. Step 5: Solve for x
    x = 669,790,369.35/36,069.66
  6. Step 6: Final answer
    x = 18,569.36

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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.