Finding the Fourth Proportional to 67,339.44, 101,010.69 and 19,953.63
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Solution
The fourth proportional to 67,339.44, 101,010.69 and 19,953.63 is: 29,930.90
Step by Step Solution
- Step 1: Write the proportion equation
67,339.44 : 101,010.69 = 19,953.63 : x - Step 2: Convert to fraction form
67,339.44/101,010.69 = 19,953.63/x - Step 3: Cross multiply
67,339.44x = 101,010.69 × 19,953.63 - Step 4: Simplify right side
67,339.44x = 2,015,529,934.30 - Step 5: Solve for x
x = 2,015,529,934.30/67,339.44 - Step 6: Final answer
x = 29,930.90
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1.5x scale
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.