Home / 33,485.12-50,238.20-21,013.84

Finding the Fourth Proportional to 33,485.12, 50,238.20 and 21,013.84

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Solution

The fourth proportional to 33,485.12, 50,238.20 and 21,013.84 is: 31,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.12 : 50,238.20 = 21,013.84 : x
  2. Step 2: Convert to fraction form
    33,485.12/50,238.20 = 21,013.84/x
  3. Step 3: Cross multiply
    33,485.12x = 50,238.20 × 21,013.84
  4. Step 4: Simplify right side
    33,485.12x = 1,055,697,496.69
  5. Step 5: Solve for x
    x = 1,055,697,496.69/33,485.12
  6. Step 6: Final answer
    x = 31,527.36

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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.