Finding the Fourth Proportional to 35.89, 49.42 and 32.99
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Solution
The fourth proportional to 35.89, 49.42 and 32.99 is: 45.42
Step by Step Solution
- Step 1: Write the proportion equation
35.89 : 49.42 = 32.99 : x - Step 2: Convert to fraction form
35.89/49.42 = 32.99/x - Step 3: Cross multiply
35.89x = 49.42 × 32.99 - Step 4: Simplify right side
35.89x = 1,630.16 - Step 5: Solve for x
x = 1,630.16/35.89 - Step 6: Final answer
x = 45.42
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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.