Home / 36,259.20-50,037.60-20,343.72

Finding the Fourth Proportional to 36,259.20, 50,037.60 and 20,343.72

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Solution

The fourth proportional to 36,259.20, 50,037.60 and 20,343.72 is: 28,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,259.20 : 50,037.60 = 20,343.72 : x
  2. Step 2: Convert to fraction form
    36,259.20/50,037.60 = 20,343.72/x
  3. Step 3: Cross multiply
    36,259.20x = 50,037.60 × 20,343.72
  4. Step 4: Simplify right side
    36,259.20x = 1,017,950,923.87
  5. Step 5: Solve for x
    x = 1,017,950,923.87/36,259.20
  6. Step 6: Final answer
    x = 28,074.28

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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.