Finding the Fourth Proportional to 74,811.24, 112,235.16 and 24,891.24
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Solution
The fourth proportional to 74,811.24, 112,235.16 and 24,891.24 is: 37,342.95
Step by Step Solution
- Step 1: Write the proportion equation
74,811.24 : 112,235.16 = 24,891.24 : x - Step 2: Convert to fraction form
74,811.24/112,235.16 = 24,891.24/x - Step 3: Cross multiply
74,811.24x = 112,235.16 × 24,891.24 - Step 4: Simplify right side
74,811.24x = 2,793,672,304.00 - Step 5: Solve for x
x = 2,793,672,304.00/74,811.24 - Step 6: Final answer
x = 37,342.95
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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.