Finding the Fourth Proportional to 39.08, 58.84 and 33.06
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Solution
The fourth proportional to 39.08, 58.84 and 33.06 is: 49.78
Step by Step Solution
- Step 1: Write the proportion equation
39.08 : 58.84 = 33.06 : x - Step 2: Convert to fraction form
39.08/58.84 = 33.06/x - Step 3: Cross multiply
39.08x = 58.84 × 33.06 - Step 4: Simplify right side
39.08x = 1,945.25 - Step 5: Solve for x
x = 1,945.25/39.08 - Step 6: Final answer
x = 49.78
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.