Home / 38,634.37-53,311.84-21,867.37

Finding the Fourth Proportional to 38,634.37, 53,311.84 and 21,867.37

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Solution

The fourth proportional to 38,634.37, 53,311.84 and 21,867.37 is: 30,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.37 : 53,311.84 = 21,867.37 : x
  2. Step 2: Convert to fraction form
    38,634.37/53,311.84 = 21,867.37/x
  3. Step 3: Cross multiply
    38,634.37x = 53,311.84 × 21,867.37
  4. Step 4: Simplify right side
    38,634.37x = 1,165,789,730.66
  5. Step 5: Solve for x
    x = 1,165,789,730.66/38,634.37
  6. Step 6: Final answer
    x = 30,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.