Home / 50,278.24-69,381.28-28,768.44

Finding the Fourth Proportional to 50,278.24, 69,381.28 and 28,768.44

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Solution

The fourth proportional to 50,278.24, 69,381.28 and 28,768.44 is: 39,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.24 : 69,381.28 = 28,768.44 : x
  2. Step 2: Convert to fraction form
    50,278.24/69,381.28 = 28,768.44/x
  3. Step 3: Cross multiply
    50,278.24x = 69,381.28 × 28,768.44
  4. Step 4: Simplify right side
    50,278.24x = 1,995,991,190.80
  5. Step 5: Solve for x
    x = 1,995,991,190.80/50,278.24
  6. Step 6: Final answer
    x = 39,698.91

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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.