Home / 51,057.72-76,590.23-13,617.60

Finding the Fourth Proportional to 51,057.72, 76,590.23 and 13,617.60

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Solution

The fourth proportional to 51,057.72, 76,590.23 and 13,617.60 is: 20,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,057.72 : 76,590.23 = 13,617.60 : x
  2. Step 2: Convert to fraction form
    51,057.72/76,590.23 = 13,617.60/x
  3. Step 3: Cross multiply
    51,057.72x = 76,590.23 × 13,617.60
  4. Step 4: Simplify right side
    51,057.72x = 1,042,975,116.05
  5. Step 5: Solve for x
    x = 1,042,975,116.05/51,057.72
  6. Step 6: Final answer
    x = 20,427.37

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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.