Finding the Fourth Proportional to 76,951.80, 115,426.44 and 24,361.20
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Solution
The fourth proportional to 76,951.80, 115,426.44 and 24,361.20 is: 36,541.40
Step by Step Solution
- Step 1: Write the proportion equation
76,951.80 : 115,426.44 = 24,361.20 : x - Step 2: Convert to fraction form
76,951.80/115,426.44 = 24,361.20/x - Step 3: Cross multiply
76,951.80x = 115,426.44 × 24,361.20 - Step 4: Simplify right side
76,951.80x = 2,811,926,590.13 - Step 5: Solve for x
x = 2,811,926,590.13/76,951.80 - Step 6: Final answer
x = 36,541.40
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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.