Home / 50,933.11-70,288.31-28,272.55

Finding the Fourth Proportional to 50,933.11, 70,288.31 and 28,272.55

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Solution

The fourth proportional to 50,933.11, 70,288.31 and 28,272.55 is: 39,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,933.11 : 70,288.31 = 28,272.55 : x
  2. Step 2: Convert to fraction form
    50,933.11/70,288.31 = 28,272.55/x
  3. Step 3: Cross multiply
    50,933.11x = 70,288.31 × 28,272.55
  4. Step 4: Simplify right side
    50,933.11x = 1,987,229,617.53
  5. Step 5: Solve for x
    x = 1,987,229,617.53/50,933.11
  6. Step 6: Final answer
    x = 39,016.46

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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.