Finding the Fourth Proportional to 37,820.52, 56,739.33 and 12,519.99
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Solution
The fourth proportional to 37,820.52, 56,739.33 and 12,519.99 is: 18,782.82
Step by Step Solution
- Step 1: Write the proportion equation
37,820.52 : 56,739.33 = 12,519.99 : x - Step 2: Convert to fraction form
37,820.52/56,739.33 = 12,519.99/x - Step 3: Cross multiply
37,820.52x = 56,739.33 × 12,519.99 - Step 4: Simplify right side
37,820.52x = 710,375,844.21 - Step 5: Solve for x
x = 710,375,844.21/37,820.52 - Step 6: Final answer
x = 18,782.82
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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.