Home / 36,003.44-53,986.98-21,015.64

Finding the Fourth Proportional to 36,003.44, 53,986.98 and 21,015.64

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Solution

The fourth proportional to 36,003.44, 53,986.98 and 21,015.64 is: 31,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.44 : 53,986.98 = 21,015.64 : x
  2. Step 2: Convert to fraction form
    36,003.44/53,986.98 = 21,015.64/x
  3. Step 3: Cross multiply
    36,003.44x = 53,986.98 × 21,015.64
  4. Step 4: Simplify right side
    36,003.44x = 1,134,570,936.37
  5. Step 5: Solve for x
    x = 1,134,570,936.37/36,003.44
  6. Step 6: Final answer
    x = 31,512.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.