Home / 36,384.06-50,212.90-20,469.70

Finding the Fourth Proportional to 36,384.06, 50,212.90 and 20,469.70

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Solution

The fourth proportional to 36,384.06, 50,212.90 and 20,469.70 is: 28,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,384.06 : 50,212.90 = 20,469.70 : x
  2. Step 2: Convert to fraction form
    36,384.06/50,212.90 = 20,469.70/x
  3. Step 3: Cross multiply
    36,384.06x = 50,212.90 × 20,469.70
  4. Step 4: Simplify right side
    36,384.06x = 1,027,842,999.13
  5. Step 5: Solve for x
    x = 1,027,842,999.13/36,384.06
  6. Step 6: Final answer
    x = 28,249.82

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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.