Finding the Fourth Proportional to 49.39, 68.06 and 41.99
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Solution
The fourth proportional to 49.39, 68.06 and 41.99 is: 57.87
Step by Step Solution
- Step 1: Write the proportion equation
49.39 : 68.06 = 41.99 : x - Step 2: Convert to fraction form
49.39/68.06 = 41.99/x - Step 3: Cross multiply
49.39x = 68.06 × 41.99 - Step 4: Simplify right side
49.39x = 2,858.11 - Step 5: Solve for x
x = 2,858.11/49.39 - Step 6: Final answer
x = 57.87
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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.