Finding the Fourth Proportional to 84,738.24, 127,108.11 and 21,558.44
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Solution
The fourth proportional to 84,738.24, 127,108.11 and 21,558.44 is: 32,337.84
Step by Step Solution
- Step 1: Write the proportion equation
84,738.24 : 127,108.11 = 21,558.44 : x - Step 2: Convert to fraction form
84,738.24/127,108.11 = 21,558.44/x - Step 3: Cross multiply
84,738.24x = 127,108.11 × 21,558.44 - Step 4: Simplify right side
84,738.24x = 2,740,251,927.41 - Step 5: Solve for x
x = 2,740,251,927.41/84,738.24 - Step 6: Final answer
x = 32,337.84
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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.