Home / 36,144.77-49,879.43-20,229.35

Finding the Fourth Proportional to 36,144.77, 49,879.43 and 20,229.35

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Solution

The fourth proportional to 36,144.77, 49,879.43 and 20,229.35 is: 27,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.77 : 49,879.43 = 20,229.35 : x
  2. Step 2: Convert to fraction form
    36,144.77/49,879.43 = 20,229.35/x
  3. Step 3: Cross multiply
    36,144.77x = 49,879.43 × 20,229.35
  4. Step 4: Simplify right side
    36,144.77x = 1,009,028,172.59
  5. Step 5: Solve for x
    x = 1,009,028,172.59/36,144.77
  6. Step 6: Final answer
    x = 27,916.30

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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.