Home / 50,016.65-69,015.31-28,791.81

Finding the Fourth Proportional to 50,016.65, 69,015.31 and 28,791.81

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Solution

The fourth proportional to 50,016.65, 69,015.31 and 28,791.81 is: 39,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,016.65 : 69,015.31 = 28,791.81 : x
  2. Step 2: Convert to fraction form
    50,016.65/69,015.31 = 28,791.81/x
  3. Step 3: Cross multiply
    50,016.65x = 69,015.31 × 28,791.81
  4. Step 4: Simplify right side
    50,016.65x = 1,987,075,620.63
  5. Step 5: Solve for x
    x = 1,987,075,620.63/50,016.65
  6. Step 6: Final answer
    x = 39,728.29

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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.