Finding the Fourth Proportional to 42.48, 58.61 and 26.08
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Solution
The fourth proportional to 42.48, 58.61 and 26.08 is: 35.98
Step by Step Solution
- Step 1: Write the proportion equation
42.48 : 58.61 = 26.08 : x - Step 2: Convert to fraction form
42.48/58.61 = 26.08/x - Step 3: Cross multiply
42.48x = 58.61 × 26.08 - Step 4: Simplify right side
42.48x = 1,528.19 - Step 5: Solve for x
x = 1,528.19/42.48 - Step 6: Final answer
x = 35.98
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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.