Home / 50,680.62-69,939.72-28,018.44

Finding the Fourth Proportional to 50,680.62, 69,939.72 and 28,018.44

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Solution

The fourth proportional to 50,680.62, 69,939.72 and 28,018.44 is: 38,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,680.62 : 69,939.72 = 28,018.44 : x
  2. Step 2: Convert to fraction form
    50,680.62/69,939.72 = 28,018.44/x
  3. Step 3: Cross multiply
    50,680.62x = 69,939.72 × 28,018.44
  4. Step 4: Simplify right side
    50,680.62x = 1,959,601,848.44
  5. Step 5: Solve for x
    x = 1,959,601,848.44/50,680.62
  6. Step 6: Final answer
    x = 38,665.70

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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.