Home / 50,731.86-70,003.97-28,067.86

Finding the Fourth Proportional to 50,731.86, 70,003.97 and 28,067.86

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Solution

The fourth proportional to 50,731.86, 70,003.97 and 28,067.86 is: 38,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.86 : 70,003.97 = 28,067.86 : x
  2. Step 2: Convert to fraction form
    50,731.86/70,003.97 = 28,067.86/x
  3. Step 3: Cross multiply
    50,731.86x = 70,003.97 × 28,067.86
  4. Step 4: Simplify right side
    50,731.86x = 1,964,861,419.31
  5. Step 5: Solve for x
    x = 1,964,861,419.31/50,731.86
  6. Step 6: Final answer
    x = 38,730.32

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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.