Home / 55,226.40-82,839.60-20,179.73

Finding the Fourth Proportional to 55,226.40, 82,839.60 and 20,179.73

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Solution

The fourth proportional to 55,226.40, 82,839.60 and 20,179.73 is: 30,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226.40 : 82,839.60 = 20,179.73 : x
  2. Step 2: Convert to fraction form
    55,226.40/82,839.60 = 20,179.73/x
  3. Step 3: Cross multiply
    55,226.40x = 82,839.60 × 20,179.73
  4. Step 4: Simplify right side
    55,226.40x = 1,671,680,761.31
  5. Step 5: Solve for x
    x = 1,671,680,761.31/55,226.40
  6. Step 6: Final answer
    x = 30,269.60

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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.