Home / 63,991.12-95,896.48-30,221.12

Finding the Fourth Proportional to 63,991.12, 95,896.48 and 30,221.12

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Solution

The fourth proportional to 63,991.12, 95,896.48 and 30,221.12 is: 45,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.12 : 95,896.48 = 30,221.12 : x
  2. Step 2: Convert to fraction form
    63,991.12/95,896.48 = 30,221.12/x
  3. Step 3: Cross multiply
    63,991.12x = 95,896.48 × 30,221.12
  4. Step 4: Simplify right side
    63,991.12x = 2,898,099,029.66
  5. Step 5: Solve for x
    x = 2,898,099,029.66/63,991.12
  6. Step 6: Final answer
    x = 45,289.08

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1.5x scale

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.