Finding the Fourth Proportional to 49,695.99, 68,605.86 and 38,339.99
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Solution
The fourth proportional to 49,695.99, 68,605.86 and 38,339.99 is: 52,928.78
Step by Step Solution
- Step 1: Write the proportion equation
49,695.99 : 68,605.86 = 38,339.99 : x - Step 2: Convert to fraction form
49,695.99/68,605.86 = 38,339.99/x - Step 3: Cross multiply
49,695.99x = 68,605.86 × 38,339.99 - Step 4: Simplify right side
49,695.99x = 2,630,347,986.34 - Step 5: Solve for x
x = 2,630,347,986.34/49,695.99 - Step 6: Final answer
x = 52,928.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.