Home / 36,439.84-50,278.19-20,524.28

Finding the Fourth Proportional to 36,439.84, 50,278.19 and 20,524.28

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Solution

The fourth proportional to 36,439.84, 50,278.19 and 20,524.28 is: 28,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.84 : 50,278.19 = 20,524.28 : x
  2. Step 2: Convert to fraction form
    36,439.84/50,278.19 = 20,524.28/x
  3. Step 3: Cross multiply
    36,439.84x = 50,278.19 × 20,524.28
  4. Step 4: Simplify right side
    36,439.84x = 1,031,923,649.45
  5. Step 5: Solve for x
    x = 1,031,923,649.45/36,439.84
  6. Step 6: Final answer
    x = 28,318.56

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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.