Home / 33,401.09-49,997.07-20,877.78

Finding the Fourth Proportional to 33,401.09, 49,997.07 and 20,877.78

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Solution

The fourth proportional to 33,401.09, 49,997.07 and 20,877.78 is: 31,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,401.09 : 49,997.07 = 20,877.78 : x
  2. Step 2: Convert to fraction form
    33,401.09/49,997.07 = 20,877.78/x
  3. Step 3: Cross multiply
    33,401.09x = 49,997.07 × 20,877.78
  4. Step 4: Simplify right side
    33,401.09x = 1,043,827,828.10
  5. Step 5: Solve for x
    x = 1,043,827,828.10/33,401.09
  6. Step 6: Final answer
    x = 31,251.31

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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.