Finding the Fourth Proportional to 73,965.84, 110,948.88 and 18,561.84
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Solution
The fourth proportional to 73,965.84, 110,948.88 and 18,561.84 is: 27,842.79
Step by Step Solution
- Step 1: Write the proportion equation
73,965.84 : 110,948.88 = 18,561.84 : x - Step 2: Convert to fraction form
73,965.84/110,948.88 = 18,561.84/x - Step 3: Cross multiply
73,965.84x = 110,948.88 × 18,561.84 - Step 4: Simplify right side
73,965.84x = 2,059,415,358.74 - Step 5: Solve for x
x = 2,059,415,358.74/73,965.84 - Step 6: Final answer
x = 27,842.79
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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.