Finding the Fourth Proportional to 71,280.64, 106,919.84 and 24,533.92
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Solution
The fourth proportional to 71,280.64, 106,919.84 and 24,533.92 is: 36,800.49
Step by Step Solution
- Step 1: Write the proportion equation
71,280.64 : 106,919.84 = 24,533.92 : x - Step 2: Convert to fraction form
71,280.64/106,919.84 = 24,533.92/x - Step 3: Cross multiply
71,280.64x = 106,919.84 × 24,533.92 - Step 4: Simplify right side
71,280.64x = 2,623,162,800.97 - Step 5: Solve for x
x = 2,623,162,800.97/71,280.64 - Step 6: Final answer
x = 36,800.49
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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.