Home / 50,857.18-70,187.06-28,203.28

Finding the Fourth Proportional to 50,857.18, 70,187.06 and 28,203.28

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Solution

The fourth proportional to 50,857.18, 70,187.06 and 28,203.28 is: 38,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,857.18 : 70,187.06 = 28,203.28 : x
  2. Step 2: Convert to fraction form
    50,857.18/70,187.06 = 28,203.28/x
  3. Step 3: Cross multiply
    50,857.18x = 70,187.06 × 28,203.28
  4. Step 4: Simplify right side
    50,857.18x = 1,979,505,305.56
  5. Step 5: Solve for x
    x = 1,979,505,305.56/50,857.18
  6. Step 6: Final answer
    x = 38,922.83

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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.