Home / 55,150.20-82,700.82-15,698.34

Finding the Fourth Proportional to 55,150.20, 82,700.82 and 15,698.34

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Solution

The fourth proportional to 55,150.20, 82,700.82 and 15,698.34 is: 23,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.20 : 82,700.82 = 15,698.34 : x
  2. Step 2: Convert to fraction form
    55,150.20/82,700.82 = 15,698.34/x
  3. Step 3: Cross multiply
    55,150.20x = 82,700.82 × 15,698.34
  4. Step 4: Simplify right side
    55,150.20x = 1,298,265,590.64
  5. Step 5: Solve for x
    x = 1,298,265,590.64/55,150.20
  6. Step 6: Final answer
    x = 23,540.54

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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.