Home / 43,771.71-65,674.11-17,136.75

Finding the Fourth Proportional to 43,771.71, 65,674.11 and 17,136.75

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Solution

The fourth proportional to 43,771.71, 65,674.11 and 17,136.75 is: 25,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771.71 : 65,674.11 = 17,136.75 : x
  2. Step 2: Convert to fraction form
    43,771.71/65,674.11 = 17,136.75/x
  3. Step 3: Cross multiply
    43,771.71x = 65,674.11 × 17,136.75
  4. Step 4: Simplify right side
    43,771.71x = 1,125,440,804.54
  5. Step 5: Solve for x
    x = 1,125,440,804.54/43,771.71
  6. Step 6: Final answer
    x = 25,711.60

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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.