Finding the Fourth Proportional to 35.24, 48.54 and 31.94
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Solution
The fourth proportional to 35.24, 48.54 and 31.94 is: 43.99
Step by Step Solution
- Step 1: Write the proportion equation
35.24 : 48.54 = 31.94 : x - Step 2: Convert to fraction form
35.24/48.54 = 31.94/x - Step 3: Cross multiply
35.24x = 48.54 × 31.94 - Step 4: Simplify right side
35.24x = 1,550.37 - Step 5: Solve for x
x = 1,550.37/35.24 - Step 6: Final answer
x = 43.99
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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.