Finding the Fourth Proportional to 42.46, 58.58 and 26.09
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Solution
The fourth proportional to 42.46, 58.58 and 26.09 is: 35.99
Step by Step Solution
- Step 1: Write the proportion equation
42.46 : 58.58 = 26.09 : x - Step 2: Convert to fraction form
42.46/58.58 = 26.09/x - Step 3: Cross multiply
42.46x = 58.58 × 26.09 - Step 4: Simplify right side
42.46x = 1,527.93 - Step 5: Solve for x
x = 1,527.93/42.46 - 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.