Home / 33,019.80-49,529.70-13,288.20

Finding the Fourth Proportional to 33,019.80, 49,529.70 and 13,288.20

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Solution

The fourth proportional to 33,019.80, 49,529.70 and 13,288.20 is: 19,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.80 : 49,529.70 = 13,288.20 : x
  2. Step 2: Convert to fraction form
    33,019.80/49,529.70 = 13,288.20/x
  3. Step 3: Cross multiply
    33,019.80x = 49,529.70 × 13,288.20
  4. Step 4: Simplify right side
    33,019.80x = 658,160,559.54
  5. Step 5: Solve for x
    x = 658,160,559.54/33,019.80
  6. Step 6: Final answer
    x = 19,932.30

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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.