Finding the Fourth Proportional to 51.44, 76.99 and 41.32
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Solution
The fourth proportional to 51.44, 76.99 and 41.32 is: 61.84
Step by Step Solution
- Step 1: Write the proportion equation
51.44 : 76.99 = 41.32 : x - Step 2: Convert to fraction form
51.44/76.99 = 41.32/x - Step 3: Cross multiply
51.44x = 76.99 × 41.32 - Step 4: Simplify right side
51.44x = 3,181.23 - Step 5: Solve for x
x = 3,181.23/51.44 - Step 6: Final answer
x = 61.84
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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.