Finding the Fourth Proportional to 47.14, 70.62 and 25.44
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Solution
The fourth proportional to 47.14, 70.62 and 25.44 is: 38.11
Step by Step Solution
- Step 1: Write the proportion equation
47.14 : 70.62 = 25.44 : x - Step 2: Convert to fraction form
47.14/70.62 = 25.44/x - Step 3: Cross multiply
47.14x = 70.62 × 25.44 - Step 4: Simplify right side
47.14x = 1,796.09 - Step 5: Solve for x
x = 1,796.09/47.14 - Step 6: Final answer
x = 38.11
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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.