Finding the Fourth Proportional to 66,823.94, 100,219.68 and 22,439.18
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Solution
The fourth proportional to 66,823.94, 100,219.68 and 22,439.18 is: 33,653.32
Step by Step Solution
- Step 1: Write the proportion equation
66,823.94 : 100,219.68 = 22,439.18 : x - Step 2: Convert to fraction form
66,823.94/100,219.68 = 22,439.18/x - Step 3: Cross multiply
66,823.94x = 100,219.68 × 22,439.18 - Step 4: Simplify right side
66,823.94x = 2,248,847,439.06 - Step 5: Solve for x
x = 2,248,847,439.06/66,823.94 - Step 6: Final answer
x = 33,653.32
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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.