Home / 43,414.19-65,121.13-13,834.41

Finding the Fourth Proportional to 43,414.19, 65,121.13 and 13,834.41

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Solution

The fourth proportional to 43,414.19, 65,121.13 and 13,834.41 is: 20,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.19 : 65,121.13 = 13,834.41 : x
  2. Step 2: Convert to fraction form
    43,414.19/65,121.13 = 13,834.41/x
  3. Step 3: Cross multiply
    43,414.19x = 65,121.13 × 13,834.41
  4. Step 4: Simplify right side
    43,414.19x = 900,912,412.08
  5. Step 5: Solve for x
    x = 900,912,412.08/43,414.19
  6. Step 6: Final answer
    x = 20,751.57

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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.