Finding the Fourth Proportional to 58,207.80, 87,313.84 and 18,765.48
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Solution
The fourth proportional to 58,207.80, 87,313.84 and 18,765.48 is: 28,148.91
Step by Step Solution
- Step 1: Write the proportion equation
58,207.80 : 87,313.84 = 18,765.48 : x - Step 2: Convert to fraction form
58,207.80/87,313.84 = 18,765.48/x - Step 3: Cross multiply
58,207.80x = 87,313.84 × 18,765.48 - Step 4: Simplify right side
58,207.80x = 1,638,486,118.24 - Step 5: Solve for x
x = 1,638,486,118.24/58,207.80 - Step 6: Final answer
x = 28,148.91
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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.