Home / 45,896.45-68,846.37-12,619.12

Finding the Fourth Proportional to 45,896.45, 68,846.37 and 12,619.12

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Solution

The fourth proportional to 45,896.45, 68,846.37 and 12,619.12 is: 18,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,896.45 : 68,846.37 = 12,619.12 : x
  2. Step 2: Convert to fraction form
    45,896.45/68,846.37 = 12,619.12/x
  3. Step 3: Cross multiply
    45,896.45x = 68,846.37 × 12,619.12
  4. Step 4: Simplify right side
    45,896.45x = 868,780,604.59
  5. Step 5: Solve for x
    x = 868,780,604.59/45,896.45
  6. Step 6: Final answer
    x = 18,929.15

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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.