Home / 54,911.52-82,366.68-13,358.56

Finding the Fourth Proportional to 54,911.52, 82,366.68 and 13,358.56

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Solution

The fourth proportional to 54,911.52, 82,366.68 and 13,358.56 is: 20,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.52 : 82,366.68 = 13,358.56 : x
  2. Step 2: Convert to fraction form
    54,911.52/82,366.68 = 13,358.56/x
  3. Step 3: Cross multiply
    54,911.52x = 82,366.68 × 13,358.56
  4. Step 4: Simplify right side
    54,911.52x = 1,100,300,236.78
  5. Step 5: Solve for x
    x = 1,100,300,236.78/54,911.52
  6. Step 6: Final answer
    x = 20,037.69

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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.