Home / 36,847.72-55,287.90-19,313.36

Finding the Fourth Proportional to 36,847.72, 55,287.90 and 19,313.36

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Solution

The fourth proportional to 36,847.72, 55,287.90 and 19,313.36 is: 28,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,847.72 : 55,287.90 = 19,313.36 : x
  2. Step 2: Convert to fraction form
    36,847.72/55,287.90 = 19,313.36/x
  3. Step 3: Cross multiply
    36,847.72x = 55,287.90 × 19,313.36
  4. Step 4: Simplify right side
    36,847.72x = 1,067,795,116.34
  5. Step 5: Solve for x
    x = 1,067,795,116.34/36,847.72
  6. Step 6: Final answer
    x = 28,978.59

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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.