Home / 36,128.92-49,858.10-20,213.36

Finding the Fourth Proportional to 36,128.92, 49,858.10 and 20,213.36

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Solution

The fourth proportional to 36,128.92, 49,858.10 and 20,213.36 is: 27,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.92 : 49,858.10 = 20,213.36 : x
  2. Step 2: Convert to fraction form
    36,128.92/49,858.10 = 20,213.36/x
  3. Step 3: Cross multiply
    36,128.92x = 49,858.10 × 20,213.36
  4. Step 4: Simplify right side
    36,128.92x = 1,007,799,724.22
  5. Step 5: Solve for x
    x = 1,007,799,724.22/36,128.92
  6. Step 6: Final answer
    x = 27,894.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.