Finding the Fourth Proportional to 32,997.84, 49,507.76 and 21,948.09
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Solution
The fourth proportional to 32,997.84, 49,507.76 and 21,948.09 is: 32,929.45
Step by Step Solution
- Step 1: Write the proportion equation
32,997.84 : 49,507.76 = 21,948.09 : x - Step 2: Convert to fraction form
32,997.84/49,507.76 = 21,948.09/x - Step 3: Cross multiply
32,997.84x = 49,507.76 × 21,948.09 - Step 4: Simplify right side
32,997.84x = 1,086,600,772.18 - Step 5: Solve for x
x = 1,086,600,772.18/32,997.84 - Step 6: Final answer
x = 32,929.45
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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.