Finding the Fourth Proportional to 47.95, 71.99 and 29.99
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Solution
The fourth proportional to 47.95, 71.99 and 29.99 is: 45.03
Step by Step Solution
- Step 1: Write the proportion equation
47.95 : 71.99 = 29.99 : x - Step 2: Convert to fraction form
47.95/71.99 = 29.99/x - Step 3: Cross multiply
47.95x = 71.99 × 29.99 - Step 4: Simplify right side
47.95x = 2,158.98 - Step 5: Solve for x
x = 2,158.98/47.95 - Step 6: Final answer
x = 45.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.