Home / 43,681.41-65,522.21-12,091.57

Finding the Fourth Proportional to 43,681.41, 65,522.21 and 12,091.57

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Solution

The fourth proportional to 43,681.41, 65,522.21 and 12,091.57 is: 18,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.41 : 65,522.21 = 12,091.57 : x
  2. Step 2: Convert to fraction form
    43,681.41/65,522.21 = 12,091.57/x
  3. Step 3: Cross multiply
    43,681.41x = 65,522.21 × 12,091.57
  4. Step 4: Simplify right side
    43,681.41x = 792,266,093.62
  5. Step 5: Solve for x
    x = 792,266,093.62/43,681.41
  6. Step 6: Final answer
    x = 18,137.37

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1.5x scale

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.