Finding the Fourth Proportional to 45.83, 63.13 and 31.99
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Solution
The fourth proportional to 45.83, 63.13 and 31.99 is: 44.07
Step by Step Solution
- Step 1: Write the proportion equation
45.83 : 63.13 = 31.99 : x - Step 2: Convert to fraction form
45.83/63.13 = 31.99/x - Step 3: Cross multiply
45.83x = 63.13 × 31.99 - Step 4: Simplify right side
45.83x = 2,019.29 - Step 5: Solve for x
x = 2,019.29/45.83 - Step 6: Final answer
x = 44.07
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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.