Home / 55,182.10-82,773.90-15,739.21

Finding the Fourth Proportional to 55,182.10, 82,773.90 and 15,739.21

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Solution

The fourth proportional to 55,182.10, 82,773.90 and 15,739.21 is: 23,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.10 : 82,773.90 = 15,739.21 : x
  2. Step 2: Convert to fraction form
    55,182.10/82,773.90 = 15,739.21/x
  3. Step 3: Cross multiply
    55,182.10x = 82,773.90 × 15,739.21
  4. Step 4: Simplify right side
    55,182.10x = 1,302,795,794.62
  5. Step 5: Solve for x
    x = 1,302,795,794.62/55,182.10
  6. Step 6: Final answer
    x = 23,609.03

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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.