Finding the Fourth Proportional to 32.46, 48.39 and 30.18
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Solution
The fourth proportional to 32.46, 48.39 and 30.18 is: 44.99
Step by Step Solution
- Step 1: Write the proportion equation
32.46 : 48.39 = 30.18 : x - Step 2: Convert to fraction form
32.46/48.39 = 30.18/x - Step 3: Cross multiply
32.46x = 48.39 × 30.18 - Step 4: Simplify right side
32.46x = 1,460.41 - Step 5: Solve for x
x = 1,460.41/32.46 - Step 6: Final answer
x = 44.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.