Finding the Fourth Proportional to 59.99, 89.99 and 29.54
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Solution
The fourth proportional to 59.99, 89.99 and 29.54 is: 44.32
Step by Step Solution
- Step 1: Write the proportion equation
59.99 : 89.99 = 29.54 : x - Step 2: Convert to fraction form
59.99/89.99 = 29.54/x - Step 3: Cross multiply
59.99x = 89.99 × 29.54 - Step 4: Simplify right side
59.99x = 2,658.60 - Step 5: Solve for x
x = 2,658.60/59.99 - Step 6: Final answer
x = 44.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.