Home / 36,355.36-50,170.34-20,439.84

Finding the Fourth Proportional to 36,355.36, 50,170.34 and 20,439.84

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Solution

The fourth proportional to 36,355.36, 50,170.34 and 20,439.84 is: 28,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.36 : 50,170.34 = 20,439.84 : x
  2. Step 2: Convert to fraction form
    36,355.36/50,170.34 = 20,439.84/x
  3. Step 3: Cross multiply
    36,355.36x = 50,170.34 × 20,439.84
  4. Step 4: Simplify right side
    36,355.36x = 1,025,473,722.35
  5. Step 5: Solve for x
    x = 1,025,473,722.35/36,355.36
  6. Step 6: Final answer
    x = 28,206.95

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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.