Home / 50,669.88-69,928.66-28,013.30

Finding the Fourth Proportional to 50,669.88, 69,928.66 and 28,013.30

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Solution

The fourth proportional to 50,669.88, 69,928.66 and 28,013.30 is: 38,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,669.88 : 69,928.66 = 28,013.30 : x
  2. Step 2: Convert to fraction form
    50,669.88/69,928.66 = 28,013.30/x
  3. Step 3: Cross multiply
    50,669.88x = 69,928.66 × 28,013.30
  4. Step 4: Simplify right side
    50,669.88x = 1,958,932,531.18
  5. Step 5: Solve for x
    x = 1,958,932,531.18/50,669.88
  6. Step 6: Final answer
    x = 38,660.69

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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.