Home / 30,820.20-46,231.62-12,104.29

Finding the Fourth Proportional to 30,820.20, 46,231.62 and 12,104.29

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Solution

The fourth proportional to 30,820.20, 46,231.62 and 12,104.29 is: 18,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.20 : 46,231.62 = 12,104.29 : x
  2. Step 2: Convert to fraction form
    30,820.20/46,231.62 = 12,104.29/x
  3. Step 3: Cross multiply
    30,820.20x = 46,231.62 × 12,104.29
  4. Step 4: Simplify right side
    30,820.20x = 559,601,005.84
  5. Step 5: Solve for x
    x = 559,601,005.84/30,820.20
  6. Step 6: Final answer
    x = 18,156.96

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