Home / 36,288.09-50,078.85-20,155.66

Finding the Fourth Proportional to 36,288.09, 50,078.85 and 20,155.66

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Solution

The fourth proportional to 36,288.09, 50,078.85 and 20,155.66 is: 27,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.09 : 50,078.85 = 20,155.66 : x
  2. Step 2: Convert to fraction form
    36,288.09/50,078.85 = 20,155.66/x
  3. Step 3: Cross multiply
    36,288.09x = 50,078.85 × 20,155.66
  4. Step 4: Simplify right side
    36,288.09x = 1,009,372,273.79
  5. Step 5: Solve for x
    x = 1,009,372,273.79/36,288.09
  6. Step 6: Final answer
    x = 27,815.52

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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.