Finding the Fourth Proportional to 59,408.18, 89,112.27 and 19,965.29
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Solution
The fourth proportional to 59,408.18, 89,112.27 and 19,965.29 is: 29,947.94
Step by Step Solution
- Step 1: Write the proportion equation
59,408.18 : 89,112.27 = 19,965.29 : x - Step 2: Convert to fraction form
59,408.18/89,112.27 = 19,965.29/x - Step 3: Cross multiply
59,408.18x = 89,112.27 × 19,965.29 - Step 4: Simplify right side
59,408.18x = 1,779,152,535.89 - Step 5: Solve for x
x = 1,779,152,535.89/59,408.18 - Step 6: Final answer
x = 29,947.94
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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.