Home / 55,033.20-82,538.25-15,579.72

Finding the Fourth Proportional to 55,033.20, 82,538.25 and 15,579.72

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Solution

The fourth proportional to 55,033.20, 82,538.25 and 15,579.72 is: 23,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,033.20 : 82,538.25 = 15,579.72 : x
  2. Step 2: Convert to fraction form
    55,033.20/82,538.25 = 15,579.72/x
  3. Step 3: Cross multiply
    55,033.20x = 82,538.25 × 15,579.72
  4. Step 4: Simplify right side
    55,033.20x = 1,285,922,824.29
  5. Step 5: Solve for x
    x = 1,285,922,824.29/55,033.20
  6. Step 6: Final answer
    x = 23,366.31

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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.