Home / 36,355.37-50,169.51-20,439.81

Finding the Fourth Proportional to 36,355.37, 50,169.51 and 20,439.81

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Solution

The fourth proportional to 36,355.37, 50,169.51 and 20,439.81 is: 28,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.37 : 50,169.51 = 20,439.81 : x
  2. Step 2: Convert to fraction form
    36,355.37/50,169.51 = 20,439.81/x
  3. Step 3: Cross multiply
    36,355.37x = 50,169.51 × 20,439.81
  4. Step 4: Simplify right side
    36,355.37x = 1,025,455,252.19
  5. Step 5: Solve for x
    x = 1,025,455,252.19/36,355.37
  6. Step 6: Final answer
    x = 28,206.44

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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.