Finding the Fourth Proportional to 33,891.10, 50,847.27 and 20,396.99
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Solution
The fourth proportional to 33,891.10, 50,847.27 and 20,396.99 is: 30,601.88
Step by Step Solution
- Step 1: Write the proportion equation
33,891.10 : 50,847.27 = 20,396.99 : x - Step 2: Convert to fraction form
33,891.10/50,847.27 = 20,396.99/x - Step 3: Cross multiply
33,891.10x = 50,847.27 × 20,396.99 - Step 4: Simplify right side
33,891.10x = 1,037,131,308.71 - Step 5: Solve for x
x = 1,037,131,308.71/33,891.10 - Step 6: Final answer
x = 30,601.88
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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.