Finding the Fourth Proportional to 42.68, 58.95 and 32.96
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Solution
The fourth proportional to 42.68, 58.95 and 32.96 is: 45.52
Step by Step Solution
- Step 1: Write the proportion equation
42.68 : 58.95 = 32.96 : x - Step 2: Convert to fraction form
42.68/58.95 = 32.96/x - Step 3: Cross multiply
42.68x = 58.95 × 32.96 - Step 4: Simplify right side
42.68x = 1,942.99 - Step 5: Solve for x
x = 1,942.99/42.68 - Step 6: Final answer
x = 45.52
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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.