Home / 50,785.88-76,157.76-19,190.48

Finding the Fourth Proportional to 50,785.88, 76,157.76 and 19,190.48

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Solution

The fourth proportional to 50,785.88, 76,157.76 and 19,190.48 is: 28,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.88 : 76,157.76 = 19,190.48 : x
  2. Step 2: Convert to fraction form
    50,785.88/76,157.76 = 19,190.48/x
  3. Step 3: Cross multiply
    50,785.88x = 76,157.76 × 19,190.48
  4. Step 4: Simplify right side
    50,785.88x = 1,461,503,970.12
  5. Step 5: Solve for x
    x = 1,461,503,970.12/50,785.88
  6. Step 6: Final answer
    x = 28,777.76

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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.