Finding the Fourth Proportional to 43.94, 60.56 and 30.12
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Solution
The fourth proportional to 43.94, 60.56 and 30.12 is: 41.51
Step by Step Solution
- Step 1: Write the proportion equation
43.94 : 60.56 = 30.12 : x - Step 2: Convert to fraction form
43.94/60.56 = 30.12/x - Step 3: Cross multiply
43.94x = 60.56 × 30.12 - Step 4: Simplify right side
43.94x = 1,824.07 - Step 5: Solve for x
x = 1,824.07/43.94 - Step 6: Final answer
x = 41.51
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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.