Home / 55,217.04-82,835.30-20,205.60

Finding the Fourth Proportional to 55,217.04, 82,835.30 and 20,205.60

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Solution

The fourth proportional to 55,217.04, 82,835.30 and 20,205.60 is: 30,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.04 : 82,835.30 = 20,205.60 : x
  2. Step 2: Convert to fraction form
    55,217.04/82,835.30 = 20,205.60/x
  3. Step 3: Cross multiply
    55,217.04x = 82,835.30 × 20,205.60
  4. Step 4: Simplify right side
    55,217.04x = 1,673,736,937.68
  5. Step 5: Solve for x
    x = 1,673,736,937.68/55,217.04
  6. Step 6: Final answer
    x = 30,311.96

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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.