Home / 33,439.78-50,155.56-19,407.44

Finding the Fourth Proportional to 33,439.78, 50,155.56 and 19,407.44

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Solution

The fourth proportional to 33,439.78, 50,155.56 and 19,407.44 is: 29,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.78 : 50,155.56 = 19,407.44 : x
  2. Step 2: Convert to fraction form
    33,439.78/50,155.56 = 19,407.44/x
  3. Step 3: Cross multiply
    33,439.78x = 50,155.56 × 19,407.44
  4. Step 4: Simplify right side
    33,439.78x = 973,391,021.37
  5. Step 5: Solve for x
    x = 973,391,021.37/33,439.78
  6. Step 6: Final answer
    x = 29,108.77

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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.