Home / 33,278.04-49,917.22-13,556.78

Finding the Fourth Proportional to 33,278.04, 49,917.22 and 13,556.78

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Solution

The fourth proportional to 33,278.04, 49,917.22 and 13,556.78 is: 20,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.04 : 49,917.22 = 13,556.78 : x
  2. Step 2: Convert to fraction form
    33,278.04/49,917.22 = 13,556.78/x
  3. Step 3: Cross multiply
    33,278.04x = 49,917.22 × 13,556.78
  4. Step 4: Simplify right side
    33,278.04x = 676,716,769.75
  5. Step 5: Solve for x
    x = 676,716,769.75/33,278.04
  6. Step 6: Final answer
    x = 20,335.24

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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.