Home / 50,785.48-76,190.37-21,186.86

Finding the Fourth Proportional to 50,785.48, 76,190.37 and 21,186.86

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Solution

The fourth proportional to 50,785.48, 76,190.37 and 21,186.86 is: 31,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.48 : 76,190.37 = 21,186.86 : x
  2. Step 2: Convert to fraction form
    50,785.48/76,190.37 = 21,186.86/x
  3. Step 3: Cross multiply
    50,785.48x = 76,190.37 × 21,186.86
  4. Step 4: Simplify right side
    50,785.48x = 1,614,234,596.60
  5. Step 5: Solve for x
    x = 1,614,234,596.60/50,785.48
  6. Step 6: Final answer
    x = 31,785.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.