Home / 55,251.40-82,826.86-20,166.60

Finding the Fourth Proportional to 55,251.40, 82,826.86 and 20,166.60

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Solution

The fourth proportional to 55,251.40, 82,826.86 and 20,166.60 is: 30,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.40 : 82,826.86 = 20,166.60 : x
  2. Step 2: Convert to fraction form
    55,251.40/82,826.86 = 20,166.60/x
  3. Step 3: Cross multiply
    55,251.40x = 82,826.86 × 20,166.60
  4. Step 4: Simplify right side
    55,251.40x = 1,670,336,154.88
  5. Step 5: Solve for x
    x = 1,670,336,154.88/55,251.40
  6. Step 6: Final answer
    x = 30,231.56

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1.5x scale

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.