Finding the Fourth Proportional to 37,819.21, 56,763.84 and 19,112.41
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Solution
The fourth proportional to 37,819.21, 56,763.84 and 19,112.41 is: 28,686.32
Step by Step Solution
- Step 1: Write the proportion equation
37,819.21 : 56,763.84 = 19,112.41 : x - Step 2: Convert to fraction form
37,819.21/56,763.84 = 19,112.41/x - Step 3: Cross multiply
37,819.21x = 56,763.84 × 19,112.41 - Step 4: Simplify right side
37,819.21x = 1,084,893,783.25 - Step 5: Solve for x
x = 1,084,893,783.25/37,819.21 - Step 6: Final answer
x = 28,686.32
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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.