Finding the Fourth Proportional to 42.45, 58.58 and 26.08
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Solution
The fourth proportional to 42.45, 58.58 and 26.08 is: 35.99
Step by Step Solution
- Step 1: Write the proportion equation
42.45 : 58.58 = 26.08 : x - Step 2: Convert to fraction form
42.45/58.58 = 26.08/x - Step 3: Cross multiply
42.45x = 58.58 × 26.08 - Step 4: Simplify right side
42.45x = 1,527.77 - Step 5: Solve for x
x = 1,527.77/42.45 - Step 6: Final answer
x = 35.99
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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.