Finding the Fourth Proportional to 67,955.12, 101,924.75 and 18,039.09
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Solution
The fourth proportional to 67,955.12, 101,924.75 and 18,039.09 is: 27,056.53
Step by Step Solution
- Step 1: Write the proportion equation
67,955.12 : 101,924.75 = 18,039.09 : x - Step 2: Convert to fraction form
67,955.12/101,924.75 = 18,039.09/x - Step 3: Cross multiply
67,955.12x = 101,924.75 × 18,039.09 - Step 4: Simplify right side
67,955.12x = 1,838,629,648.28 - Step 5: Solve for x
x = 1,838,629,648.28/67,955.12 - Step 6: Final answer
x = 27,056.53
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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.