Home / 29,219.40-43,812.90-12,576.60

Finding the Fourth Proportional to 29,219.40, 43,812.90 and 12,576.60

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Solution

The fourth proportional to 29,219.40, 43,812.90 and 12,576.60 is: 18,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.40 : 43,812.90 = 12,576.60 : x
  2. Step 2: Convert to fraction form
    29,219.40/43,812.90 = 12,576.60/x
  3. Step 3: Cross multiply
    29,219.40x = 43,812.90 × 12,576.60
  4. Step 4: Simplify right side
    29,219.40x = 551,017,318.14
  5. Step 5: Solve for x
    x = 551,017,318.14/29,219.40
  6. Step 6: Final answer
    x = 18,857.93

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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.