Finding the Fourth Proportional to 36.72, 50.67 and 34.99
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Solution
The fourth proportional to 36.72, 50.67 and 34.99 is: 48.28
Step by Step Solution
- Step 1: Write the proportion equation
36.72 : 50.67 = 34.99 : x - Step 2: Convert to fraction form
36.72/50.67 = 34.99/x - Step 3: Cross multiply
36.72x = 50.67 × 34.99 - Step 4: Simplify right side
36.72x = 1,772.82 - Step 5: Solve for x
x = 1,772.82/36.72 - Step 6: Final answer
x = 48.28
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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.