Finding the Fourth Proportional to 43.10, 59.39 and 29.99
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Solution
The fourth proportional to 43.10, 59.39 and 29.99 is: 41.32
Step by Step Solution
- Step 1: Write the proportion equation
43.10 : 59.39 = 29.99 : x - Step 2: Convert to fraction form
43.10/59.39 = 29.99/x - Step 3: Cross multiply
43.10x = 59.39 × 29.99 - Step 4: Simplify right side
43.10x = 1,781.11 - Step 5: Solve for x
x = 1,781.11/43.10 - Step 6: Final answer
x = 41.32
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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.