Home / 50,377.44-75,555.36-20,787.60

Finding the Fourth Proportional to 50,377.44, 75,555.36 and 20,787.60

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Solution

The fourth proportional to 50,377.44, 75,555.36 and 20,787.60 is: 31,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,377.44 : 75,555.36 = 20,787.60 : x
  2. Step 2: Convert to fraction form
    50,377.44/75,555.36 = 20,787.60/x
  3. Step 3: Cross multiply
    50,377.44x = 75,555.36 × 20,787.60
  4. Step 4: Simplify right side
    50,377.44x = 1,570,614,601.54
  5. Step 5: Solve for x
    x = 1,570,614,601.54/50,377.44
  6. Step 6: Final answer
    x = 31,176.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.