Home / 50,895.88-70,236.20-28,238.31

Finding the Fourth Proportional to 50,895.88, 70,236.20 and 28,238.31

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Solution

The fourth proportional to 50,895.88, 70,236.20 and 28,238.31 is: 38,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,895.88 : 70,236.20 = 28,238.31 : x
  2. Step 2: Convert to fraction form
    50,895.88/70,236.20 = 28,238.31/x
  3. Step 3: Cross multiply
    50,895.88x = 70,236.20 × 28,238.31
  4. Step 4: Simplify right side
    50,895.88x = 1,983,351,659.42
  5. Step 5: Solve for x
    x = 1,983,351,659.42/50,895.88
  6. Step 6: Final answer
    x = 38,968.81

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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.