Home / 50,676.78-69,927.90-28,012.72

Finding the Fourth Proportional to 50,676.78, 69,927.90 and 28,012.72

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Solution

The fourth proportional to 50,676.78, 69,927.90 and 28,012.72 is: 38,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,676.78 : 69,927.90 = 28,012.72 : x
  2. Step 2: Convert to fraction form
    50,676.78/69,927.90 = 28,012.72/x
  3. Step 3: Cross multiply
    50,676.78x = 69,927.90 × 28,012.72
  4. Step 4: Simplify right side
    50,676.78x = 1,958,870,682.89
  5. Step 5: Solve for x
    x = 1,958,870,682.89/50,676.78
  6. Step 6: Final answer
    x = 38,654.21

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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.