Finding the Fourth Proportional to 39.54, 58.94 and 34.88
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Solution
The fourth proportional to 39.54, 58.94 and 34.88 is: 51.99
Step by Step Solution
- Step 1: Write the proportion equation
39.54 : 58.94 = 34.88 : x - Step 2: Convert to fraction form
39.54/58.94 = 34.88/x - Step 3: Cross multiply
39.54x = 58.94 × 34.88 - Step 4: Simplify right side
39.54x = 2,055.83 - Step 5: Solve for x
x = 2,055.83/39.54 - Step 6: Final answer
x = 51.99
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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.