Finding the Fourth Proportional to 84,000.36, 125,995.74 and 21,673.96
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Solution
The fourth proportional to 84,000.36, 125,995.74 and 21,673.96 is: 32,509.70
Step by Step Solution
- Step 1: Write the proportion equation
84,000.36 : 125,995.74 = 21,673.96 : x - Step 2: Convert to fraction form
84,000.36/125,995.74 = 21,673.96/x - Step 3: Cross multiply
84,000.36x = 125,995.74 × 21,673.96 - Step 4: Simplify right side
84,000.36x = 2,730,826,628.93 - Step 5: Solve for x
x = 2,730,826,628.93/84,000.36 - Step 6: Final answer
x = 32,509.70
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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.