Home / 36,338.36-50,150.12-20,422.91

Finding the Fourth Proportional to 36,338.36, 50,150.12 and 20,422.91

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Solution

The fourth proportional to 36,338.36, 50,150.12 and 20,422.91 is: 28,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338.36 : 50,150.12 = 20,422.91 : x
  2. Step 2: Convert to fraction form
    36,338.36/50,150.12 = 20,422.91/x
  3. Step 3: Cross multiply
    36,338.36x = 50,150.12 × 20,422.91
  4. Step 4: Simplify right side
    36,338.36x = 1,024,211,410.51
  5. Step 5: Solve for x
    x = 1,024,211,410.51/36,338.36
  6. Step 6: Final answer
    x = 28,185.41

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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.