Finding the Fourth Proportional to 40.62, 56.06 and 26.08
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Solution
The fourth proportional to 40.62, 56.06 and 26.08 is: 35.99
Step by Step Solution
- Step 1: Write the proportion equation
40.62 : 56.06 = 26.08 : x - Step 2: Convert to fraction form
40.62/56.06 = 26.08/x - Step 3: Cross multiply
40.62x = 56.06 × 26.08 - Step 4: Simplify right side
40.62x = 1,462.04 - Step 5: Solve for x
x = 1,462.04/40.62 - 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.