Home / 33,278.80-49,918.56-19,260.40

Finding the Fourth Proportional to 33,278.80, 49,918.56 and 19,260.40

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Solution

The fourth proportional to 33,278.80, 49,918.56 and 19,260.40 is: 28,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.80 : 49,918.56 = 19,260.40 : x
  2. Step 2: Convert to fraction form
    33,278.80/49,918.56 = 19,260.40/x
  3. Step 3: Cross multiply
    33,278.80x = 49,918.56 × 19,260.40
  4. Step 4: Simplify right side
    33,278.80x = 961,451,433.02
  5. Step 5: Solve for x
    x = 961,451,433.02/33,278.80
  6. Step 6: Final answer
    x = 28,890.81

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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.