Home / 55,245.04-82,877.30-20,233.60

Finding the Fourth Proportional to 55,245.04, 82,877.30 and 20,233.60

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Solution

The fourth proportional to 55,245.04, 82,877.30 and 20,233.60 is: 30,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.04 : 82,877.30 = 20,233.60 : x
  2. Step 2: Convert to fraction form
    55,245.04/82,877.30 = 20,233.60/x
  3. Step 3: Cross multiply
    55,245.04x = 82,877.30 × 20,233.60
  4. Step 4: Simplify right side
    55,245.04x = 1,676,906,137.28
  5. Step 5: Solve for x
    x = 1,676,906,137.28/55,245.04
  6. Step 6: Final answer
    x = 30,353.97

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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.