Home / 49,992.60-69,007.16-28,780.32

Finding the Fourth Proportional to 49,992.60, 69,007.16 and 28,780.32

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Solution

The fourth proportional to 49,992.60, 69,007.16 and 28,780.32 is: 39,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992.60 : 69,007.16 = 28,780.32 : x
  2. Step 2: Convert to fraction form
    49,992.60/69,007.16 = 28,780.32/x
  3. Step 3: Cross multiply
    49,992.60x = 69,007.16 × 28,780.32
  4. Step 4: Simplify right side
    49,992.60x = 1,986,048,147.09
  5. Step 5: Solve for x
    x = 1,986,048,147.09/49,992.60
  6. Step 6: Final answer
    x = 39,726.84

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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.