Finding the Fourth Proportional to 33.51, 50.27 and 19.99
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Solution
The fourth proportional to 33.51, 50.27 and 19.99 is: 29.99
Step by Step Solution
- Step 1: Write the proportion equation
33.51 : 50.27 = 19.99 : x - Step 2: Convert to fraction form
33.51/50.27 = 19.99/x - Step 3: Cross multiply
33.51x = 50.27 × 19.99 - Step 4: Simplify right side
33.51x = 1,004.90 - Step 5: Solve for x
x = 1,004.90/33.51 - Step 6: Final answer
x = 29.99
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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.