Finding the Fourth Proportional to 86,657.82, 129,994.11 and 24,328.32
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Solution
The fourth proportional to 86,657.82, 129,994.11 and 24,328.32 is: 36,494.55
Step by Step Solution
- Step 1: Write the proportion equation
86,657.82 : 129,994.11 = 24,328.32 : x - Step 2: Convert to fraction form
86,657.82/129,994.11 = 24,328.32/x - Step 3: Cross multiply
86,657.82x = 129,994.11 × 24,328.32 - Step 4: Simplify right side
86,657.82x = 3,162,538,306.20 - Step 5: Solve for x
x = 3,162,538,306.20/86,657.82 - Step 6: Final answer
x = 36,494.55
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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.