Finding the Fourth Proportional to 53,651.76, 74,041.35 and 32,418.72
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Solution
The fourth proportional to 53,651.76, 74,041.35 and 32,418.72 is: 44,738.99
Step by Step Solution
- Step 1: Write the proportion equation
53,651.76 : 74,041.35 = 32,418.72 : x - Step 2: Convert to fraction form
53,651.76/74,041.35 = 32,418.72/x - Step 3: Cross multiply
53,651.76x = 74,041.35 × 32,418.72 - Step 4: Simplify right side
53,651.76x = 2,400,325,794.07 - Step 5: Solve for x
x = 2,400,325,794.07/53,651.76 - Step 6: Final answer
x = 44,738.99
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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.