Finding the Fourth Proportional to 40.56, 60.62 and 31.44
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Solution
The fourth proportional to 40.56, 60.62 and 31.44 is: 46.99
Step by Step Solution
- Step 1: Write the proportion equation
40.56 : 60.62 = 31.44 : x - Step 2: Convert to fraction form
40.56/60.62 = 31.44/x - Step 3: Cross multiply
40.56x = 60.62 × 31.44 - Step 4: Simplify right side
40.56x = 1,905.89 - Step 5: Solve for x
x = 1,905.89/40.56 - Step 6: Final answer
x = 46.99
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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.