Home / 50,804.20-70,104.42-28,142.56

Finding the Fourth Proportional to 50,804.20, 70,104.42 and 28,142.56

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Solution

The fourth proportional to 50,804.20, 70,104.42 and 28,142.56 is: 38,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.20 : 70,104.42 = 28,142.56 : x
  2. Step 2: Convert to fraction form
    50,804.20/70,104.42 = 28,142.56/x
  3. Step 3: Cross multiply
    50,804.20x = 70,104.42 × 28,142.56
  4. Step 4: Simplify right side
    50,804.20x = 1,972,917,846.12
  5. Step 5: Solve for x
    x = 1,972,917,846.12/50,804.20
  6. Step 6: Final answer
    x = 38,833.75

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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.