Home / 36,288.56-50,076.60-20,372.72

Finding the Fourth Proportional to 36,288.56, 50,076.60 and 20,372.72

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Solution

The fourth proportional to 36,288.56, 50,076.60 and 20,372.72 is: 28,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.56 : 50,076.60 = 20,372.72 : x
  2. Step 2: Convert to fraction form
    36,288.56/50,076.60 = 20,372.72/x
  3. Step 3: Cross multiply
    36,288.56x = 50,076.60 × 20,372.72
  4. Step 4: Simplify right side
    36,288.56x = 1,020,196,550.35
  5. Step 5: Solve for x
    x = 1,020,196,550.35/36,288.56
  6. Step 6: Final answer
    x = 28,113.45

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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.