Home / 43,731.60-65,629.80-17,455.20

Finding the Fourth Proportional to 43,731.60, 65,629.80 and 17,455.20

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Solution

The fourth proportional to 43,731.60, 65,629.80 and 17,455.20 is: 26,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.60 : 65,629.80 = 17,455.20 : x
  2. Step 2: Convert to fraction form
    43,731.60/65,629.80 = 17,455.20/x
  3. Step 3: Cross multiply
    43,731.60x = 65,629.80 × 17,455.20
  4. Step 4: Simplify right side
    43,731.60x = 1,145,581,284.96
  5. Step 5: Solve for x
    x = 1,145,581,284.96/43,731.60
  6. Step 6: Final answer
    x = 26,195.73

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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.