Home / 40,728.69-61,078.01-14,067.86

Finding the Fourth Proportional to 40,728.69, 61,078.01 and 14,067.86

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Solution

The fourth proportional to 40,728.69, 61,078.01 and 14,067.86 is: 21,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.69 : 61,078.01 = 14,067.86 : x
  2. Step 2: Convert to fraction form
    40,728.69/61,078.01 = 14,067.86/x
  3. Step 3: Cross multiply
    40,728.69x = 61,078.01 × 14,067.86
  4. Step 4: Simplify right side
    40,728.69x = 859,236,518.03
  5. Step 5: Solve for x
    x = 859,236,518.03/40,728.69
  6. Step 6: Final answer
    x = 21,096.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.