Finding the Fourth Proportional to 50.26, 69.42 and 40.63
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Solution
The fourth proportional to 50.26, 69.42 and 40.63 is: 56.12
Step by Step Solution
- Step 1: Write the proportion equation
50.26 : 69.42 = 40.63 : x - Step 2: Convert to fraction form
50.26/69.42 = 40.63/x - Step 3: Cross multiply
50.26x = 69.42 × 40.63 - Step 4: Simplify right side
50.26x = 2,820.53 - Step 5: Solve for x
x = 2,820.53/50.26 - Step 6: Final answer
x = 56.12
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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.