Finding the Fourth Proportional to 40.51, 55.87 and 33.99
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Solution
The fourth proportional to 40.51, 55.87 and 33.99 is: 46.88
Step by Step Solution
- Step 1: Write the proportion equation
40.51 : 55.87 = 33.99 : x - Step 2: Convert to fraction form
40.51/55.87 = 33.99/x - Step 3: Cross multiply
40.51x = 55.87 × 33.99 - Step 4: Simplify right side
40.51x = 1,899.02 - Step 5: Solve for x
x = 1,899.02/40.51 - Step 6: Final answer
x = 46.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.