Home / 33,318.43-49,980.28-11,131.89

Finding the Fourth Proportional to 33,318.43, 49,980.28 and 11,131.89

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Solution

The fourth proportional to 33,318.43, 49,980.28 and 11,131.89 is: 16,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.43 : 49,980.28 = 11,131.89 : x
  2. Step 2: Convert to fraction form
    33,318.43/49,980.28 = 11,131.89/x
  3. Step 3: Cross multiply
    33,318.43x = 49,980.28 × 11,131.89
  4. Step 4: Simplify right side
    33,318.43x = 556,374,804.23
  5. Step 5: Solve for x
    x = 556,374,804.23/33,318.43
  6. Step 6: Final answer
    x = 16,698.71

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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.