Finding the Fourth Proportional to 86,947.28, 130,420.84 and 24,617.80
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Solution
The fourth proportional to 86,947.28, 130,420.84 and 24,617.80 is: 36,926.68
Step by Step Solution
- Step 1: Write the proportion equation
86,947.28 : 130,420.84 = 24,617.80 : x - Step 2: Convert to fraction form
86,947.28/130,420.84 = 24,617.80/x - Step 3: Cross multiply
86,947.28x = 130,420.84 × 24,617.80 - Step 4: Simplify right side
86,947.28x = 3,210,674,154.95 - Step 5: Solve for x
x = 3,210,674,154.95/86,947.28 - Step 6: Final answer
x = 36,926.68
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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.