Home / 33,640.80-50,405.85-20,453.46

Finding the Fourth Proportional to 33,640.80, 50,405.85 and 20,453.46

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Solution

The fourth proportional to 33,640.80, 50,405.85 and 20,453.46 is: 30,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.80 : 50,405.85 = 20,453.46 : x
  2. Step 2: Convert to fraction form
    33,640.80/50,405.85 = 20,453.46/x
  3. Step 3: Cross multiply
    33,640.80x = 50,405.85 × 20,453.46
  4. Step 4: Simplify right side
    33,640.80x = 1,030,974,036.74
  5. Step 5: Solve for x
    x = 1,030,974,036.74/33,640.80
  6. Step 6: Final answer
    x = 30,646.54

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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.