Home / 29,136.39-43,704.18-8,359.89

Finding the Fourth Proportional to 29,136.39, 43,704.18 and 8,359.89

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Solution

The fourth proportional to 29,136.39, 43,704.18 and 8,359.89 is: 12,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.39 : 43,704.18 = 8,359.89 : x
  2. Step 2: Convert to fraction form
    29,136.39/43,704.18 = 8,359.89/x
  3. Step 3: Cross multiply
    29,136.39x = 43,704.18 × 8,359.89
  4. Step 4: Simplify right side
    29,136.39x = 365,362,137.34
  5. Step 5: Solve for x
    x = 365,362,137.34/29,136.39
  6. Step 6: Final answer
    x = 12,539.72

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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.