Home / 43,850.60-65,786.16-12,685.04

Finding the Fourth Proportional to 43,850.60, 65,786.16 and 12,685.04

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Solution

The fourth proportional to 43,850.60, 65,786.16 and 12,685.04 is: 19,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.60 : 65,786.16 = 12,685.04 : x
  2. Step 2: Convert to fraction form
    43,850.60/65,786.16 = 12,685.04/x
  3. Step 3: Cross multiply
    43,850.60x = 65,786.16 × 12,685.04
  4. Step 4: Simplify right side
    43,850.60x = 834,500,071.05
  5. Step 5: Solve for x
    x = 834,500,071.05/43,850.60
  6. Step 6: Final answer
    x = 19,030.53

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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.