Home / 50,704.83-76,057.38-20,719.07

Finding the Fourth Proportional to 50,704.83, 76,057.38 and 20,719.07

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Solution

The fourth proportional to 50,704.83, 76,057.38 and 20,719.07 is: 31,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.83 : 76,057.38 = 20,719.07 : x
  2. Step 2: Convert to fraction form
    50,704.83/76,057.38 = 20,719.07/x
  3. Step 3: Cross multiply
    50,704.83x = 76,057.38 × 20,719.07
  4. Step 4: Simplify right side
    50,704.83x = 1,575,838,007.47
  5. Step 5: Solve for x
    x = 1,575,838,007.47/50,704.83
  6. Step 6: Final answer
    x = 31,078.66

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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.