Home / 50,719.86-76,079.82-19,121.34

Finding the Fourth Proportional to 50,719.86, 76,079.82 and 19,121.34

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Solution

The fourth proportional to 50,719.86, 76,079.82 and 19,121.34 is: 28,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.86 : 76,079.82 = 19,121.34 : x
  2. Step 2: Convert to fraction form
    50,719.86/76,079.82 = 19,121.34/x
  3. Step 3: Cross multiply
    50,719.86x = 76,079.82 × 19,121.34
  4. Step 4: Simplify right side
    50,719.86x = 1,454,748,105.36
  5. Step 5: Solve for x
    x = 1,454,748,105.36/50,719.86
  6. Step 6: Final answer
    x = 28,682.02

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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.