Home / 63,986.21-88,305.91-35,311.56

Finding the Fourth Proportional to 63,986.21, 88,305.91 and 35,311.56

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Solution

The fourth proportional to 63,986.21, 88,305.91 and 35,311.56 is: 48,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.21 : 88,305.91 = 35,311.56 : x
  2. Step 2: Convert to fraction form
    63,986.21/88,305.91 = 35,311.56/x
  3. Step 3: Cross multiply
    63,986.21x = 88,305.91 × 35,311.56
  4. Step 4: Simplify right side
    63,986.21x = 3,118,218,997.79
  5. Step 5: Solve for x
    x = 3,118,218,997.79/63,986.21
  6. Step 6: Final answer
    x = 48,732.68

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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.