Home / 50,203.59-69,273.24-28,978.75

Finding the Fourth Proportional to 50,203.59, 69,273.24 and 28,978.75

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Solution

The fourth proportional to 50,203.59, 69,273.24 and 28,978.75 is: 39,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,203.59 : 69,273.24 = 28,978.75 : x
  2. Step 2: Convert to fraction form
    50,203.59/69,273.24 = 28,978.75/x
  3. Step 3: Cross multiply
    50,203.59x = 69,273.24 × 28,978.75
  4. Step 4: Simplify right side
    50,203.59x = 2,007,451,903.65
  5. Step 5: Solve for x
    x = 2,007,451,903.65/50,203.59
  6. Step 6: Final answer
    x = 39,986.22

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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.