Finding the Fourth Proportional to 33.99, 50.94 and 31.71
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Solution
The fourth proportional to 33.99, 50.94 and 31.71 is: 47.52
Step by Step Solution
- Step 1: Write the proportion equation
33.99 : 50.94 = 31.71 : x - Step 2: Convert to fraction form
33.99/50.94 = 31.71/x - Step 3: Cross multiply
33.99x = 50.94 × 31.71 - Step 4: Simplify right side
33.99x = 1,615.31 - Step 5: Solve for x
x = 1,615.31/33.99 - Step 6: Final answer
x = 47.52
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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.