Home / 33,219.53-49,810.91-13,208.75

Finding the Fourth Proportional to 33,219.53, 49,810.91 and 13,208.75

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Solution

The fourth proportional to 33,219.53, 49,810.91 and 13,208.75 is: 19,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.53 : 49,810.91 = 13,208.75 : x
  2. Step 2: Convert to fraction form
    33,219.53/49,810.91 = 13,208.75/x
  3. Step 3: Cross multiply
    33,219.53x = 49,810.91 × 13,208.75
  4. Step 4: Simplify right side
    33,219.53x = 657,939,542.36
  5. Step 5: Solve for x
    x = 657,939,542.36/33,219.53
  6. Step 6: Final answer
    x = 19,805.81

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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.