Home / 33,019.80-49,515.30-13,291.80

Finding the Fourth Proportional to 33,019.80, 49,515.30 and 13,291.80

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Solution

The fourth proportional to 33,019.80, 49,515.30 and 13,291.80 is: 19,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.80 : 49,515.30 = 13,291.80 : x
  2. Step 2: Convert to fraction form
    33,019.80/49,515.30 = 13,291.80/x
  3. Step 3: Cross multiply
    33,019.80x = 49,515.30 × 13,291.80
  4. Step 4: Simplify right side
    33,019.80x = 658,147,464.54
  5. Step 5: Solve for x
    x = 658,147,464.54/33,019.80
  6. Step 6: Final answer
    x = 19,931.90

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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.