Home / 43,836.40-65,749.72-17,182

Finding the Fourth Proportional to 43,836.40, 65,749.72 and 17,182

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Solution

The fourth proportional to 43,836.40, 65,749.72 and 17,182 is: 25,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.40 : 65,749.72 = 17,182 : x
  2. Step 2: Convert to fraction form
    43,836.40/65,749.72 = 17,182/x
  3. Step 3: Cross multiply
    43,836.40x = 65,749.72 × 17,182
  4. Step 4: Simplify right side
    43,836.40x = 1,129,711,689.04
  5. Step 5: Solve for x
    x = 1,129,711,689.04/43,836.40
  6. Step 6: Final answer
    x = 25,771.09

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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.