Finding the Fourth Proportional to 67,349.99, 100,995.70 and 19,308.02
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Solution
The fourth proportional to 67,349.99, 100,995.70 and 19,308.02 is: 28,953.63
Step by Step Solution
- Step 1: Write the proportion equation
67,349.99 : 100,995.70 = 19,308.02 : x - Step 2: Convert to fraction form
67,349.99/100,995.70 = 19,308.02/x - Step 3: Cross multiply
67,349.99x = 100,995.70 × 19,308.02 - Step 4: Simplify right side
67,349.99x = 1,950,026,442.27 - Step 5: Solve for x
x = 1,950,026,442.27/67,349.99 - Step 6: Final answer
x = 28,953.63
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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.