Home / 30,682.18-46,081.62-19,076.50

Finding the Fourth Proportional to 30,682.18, 46,081.62 and 19,076.50

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Solution

The fourth proportional to 30,682.18, 46,081.62 and 19,076.50 is: 28,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.18 : 46,081.62 = 19,076.50 : x
  2. Step 2: Convert to fraction form
    30,682.18/46,081.62 = 19,076.50/x
  3. Step 3: Cross multiply
    30,682.18x = 46,081.62 × 19,076.50
  4. Step 4: Simplify right side
    30,682.18x = 879,076,023.93
  5. Step 5: Solve for x
    x = 879,076,023.93/30,682.18
  6. Step 6: Final answer
    x = 28,651.03

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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.