Finding the Fourth Proportional to 77,022.20, 115,533.30 and 24,435.80
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Solution
The fourth proportional to 77,022.20, 115,533.30 and 24,435.80 is: 36,653.70
Step by Step Solution
- Step 1: Write the proportion equation
77,022.20 : 115,533.30 = 24,435.80 : x - Step 2: Convert to fraction form
77,022.20/115,533.30 = 24,435.80/x - Step 3: Cross multiply
77,022.20x = 115,533.30 × 24,435.80 - Step 4: Simplify right side
77,022.20x = 2,823,148,612.14 - Step 5: Solve for x
x = 2,823,148,612.14/77,022.20 - Step 6: Final answer
x = 36,653.70
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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.