Home / 36,294.56-50,082.63-20,380.76

Finding the Fourth Proportional to 36,294.56, 50,082.63 and 20,380.76

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Solution

The fourth proportional to 36,294.56, 50,082.63 and 20,380.76 is: 28,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.56 : 50,082.63 = 20,380.76 : x
  2. Step 2: Convert to fraction form
    36,294.56/50,082.63 = 20,380.76/x
  3. Step 3: Cross multiply
    36,294.56x = 50,082.63 × 20,380.76
  4. Step 4: Simplify right side
    36,294.56x = 1,020,722,062.20
  5. Step 5: Solve for x
    x = 1,020,722,062.20/36,294.56
  6. Step 6: Final answer
    x = 28,123.28

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Find fourth proportional to 18,147.28, 25,041.32 and 10,190.38
Half scale
Find fourth proportional to 72,589.12, 100,165.26 and 40,761.52
Double scale
Find fourth proportional to 36,295.56, 50,084.01 and 20,381.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.