Home / 63,441.40-95,131.73-21,309.79

Finding the Fourth Proportional to 63,441.40, 95,131.73 and 21,309.79

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Solution

The fourth proportional to 63,441.40, 95,131.73 and 21,309.79 is: 31,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,441.40 : 95,131.73 = 21,309.79 : x
  2. Step 2: Convert to fraction form
    63,441.40/95,131.73 = 21,309.79/x
  3. Step 3: Cross multiply
    63,441.40x = 95,131.73 × 21,309.79
  4. Step 4: Simplify right side
    63,441.40x = 2,027,237,188.64
  5. Step 5: Solve for x
    x = 2,027,237,188.64/63,441.40
  6. Step 6: Final answer
    x = 31,954.48

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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.