Home / 45,939.94-68,912.64-14,354.56

Finding the Fourth Proportional to 45,939.94, 68,912.64 and 14,354.56

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Solution

The fourth proportional to 45,939.94, 68,912.64 and 14,354.56 is: 21,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,939.94 : 68,912.64 = 14,354.56 : x
  2. Step 2: Convert to fraction form
    45,939.94/68,912.64 = 14,354.56/x
  3. Step 3: Cross multiply
    45,939.94x = 68,912.64 × 14,354.56
  4. Step 4: Simplify right side
    45,939.94x = 989,210,625.64
  5. Step 5: Solve for x
    x = 989,210,625.64/45,939.94
  6. Step 6: Final answer
    x = 21,532.69

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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.