Finding the Fourth Proportional to 36.96, 50.99 and 27.75
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Solution
The fourth proportional to 36.96, 50.99 and 27.75 is: 38.28
Step by Step Solution
- Step 1: Write the proportion equation
36.96 : 50.99 = 27.75 : x - Step 2: Convert to fraction form
36.96/50.99 = 27.75/x - Step 3: Cross multiply
36.96x = 50.99 × 27.75 - Step 4: Simplify right side
36.96x = 1,414.83 - Step 5: Solve for x
x = 1,414.83/36.96 - Step 6: Final answer
x = 38.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.