Home / 50,006.40-69,015.36-28,786.56

Finding the Fourth Proportional to 50,006.40, 69,015.36 and 28,786.56

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Solution

The fourth proportional to 50,006.40, 69,015.36 and 28,786.56 is: 39,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.40 : 69,015.36 = 28,786.56 : x
  2. Step 2: Convert to fraction form
    50,006.40/69,015.36 = 28,786.56/x
  3. Step 3: Cross multiply
    50,006.40x = 69,015.36 × 28,786.56
  4. Step 4: Simplify right side
    50,006.40x = 1,986,714,801.56
  5. Step 5: Solve for x
    x = 1,986,714,801.56/50,006.40
  6. Step 6: Final answer
    x = 39,729.21

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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.