Home / 33,351.30-45,783.78-28,627.38

Finding the Fourth Proportional to 33,351.30, 45,783.78 and 28,627.38

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Solution

The fourth proportional to 33,351.30, 45,783.78 and 28,627.38 is: 39,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,351.30 : 45,783.78 = 28,627.38 : x
  2. Step 2: Convert to fraction form
    33,351.30/45,783.78 = 28,627.38/x
  3. Step 3: Cross multiply
    33,351.30x = 45,783.78 × 28,627.38
  4. Step 4: Simplify right side
    33,351.30x = 1,310,669,667.90
  5. Step 5: Solve for x
    x = 1,310,669,667.90/33,351.30
  6. Step 6: Final answer
    x = 39,298.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.