Home / 55,246.40-82,819.36-20,161.60

Finding the Fourth Proportional to 55,246.40, 82,819.36 and 20,161.60

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Solution

The fourth proportional to 55,246.40, 82,819.36 and 20,161.60 is: 30,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.40 : 82,819.36 = 20,161.60 : x
  2. Step 2: Convert to fraction form
    55,246.40/82,819.36 = 20,161.60/x
  3. Step 3: Cross multiply
    55,246.40x = 82,819.36 × 20,161.60
  4. Step 4: Simplify right side
    55,246.40x = 1,669,770,808.58
  5. Step 5: Solve for x
    x = 1,669,770,808.58/55,246.40
  6. Step 6: Final answer
    x = 30,224.07

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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.