Finding the Fourth Proportional to 43.95, 60.61 and 27.55
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Solution
The fourth proportional to 43.95, 60.61 and 27.55 is: 37.99
Step by Step Solution
- Step 1: Write the proportion equation
43.95 : 60.61 = 27.55 : x - Step 2: Convert to fraction form
43.95/60.61 = 27.55/x - Step 3: Cross multiply
43.95x = 60.61 × 27.55 - Step 4: Simplify right side
43.95x = 1,669.81 - Step 5: Solve for x
x = 1,669.81/43.95 - Step 6: Final answer
x = 37.99
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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.