Finding the Fourth Proportional to 40,896.24, 61,422.12 and 25,422
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Solution
The fourth proportional to 40,896.24, 61,422.12 and 25,422 is: 38,181.34
Step by Step Solution
- Step 1: Write the proportion equation
40,896.24 : 61,422.12 = 25,422 : x - Step 2: Convert to fraction form
40,896.24/61,422.12 = 25,422/x - Step 3: Cross multiply
40,896.24x = 61,422.12 × 25,422 - Step 4: Simplify right side
40,896.24x = 1,561,473,134.64 - Step 5: Solve for x
x = 1,561,473,134.64/40,896.24 - Step 6: Final answer
x = 38,181.34
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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.