Home / 33,314.09-49,914.29-20,138.63

Finding the Fourth Proportional to 33,314.09, 49,914.29 and 20,138.63

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Solution

The fourth proportional to 33,314.09, 49,914.29 and 20,138.63 is: 30,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,314.09 : 49,914.29 = 20,138.63 : x
  2. Step 2: Convert to fraction form
    33,314.09/49,914.29 = 20,138.63/x
  3. Step 3: Cross multiply
    33,314.09x = 49,914.29 × 20,138.63
  4. Step 4: Simplify right side
    33,314.09x = 1,005,205,218.80
  5. Step 5: Solve for x
    x = 1,005,205,218.80/33,314.09
  6. Step 6: Final answer
    x = 30,173.58

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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.