Home / 55,634.45-76,761.81-32,978.75

Finding the Fourth Proportional to 55,634.45, 76,761.81 and 32,978.75

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Solution

The fourth proportional to 55,634.45, 76,761.81 and 32,978.75 is: 45,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,634.45 : 76,761.81 = 32,978.75 : x
  2. Step 2: Convert to fraction form
    55,634.45/76,761.81 = 32,978.75/x
  3. Step 3: Cross multiply
    55,634.45x = 76,761.81 × 32,978.75
  4. Step 4: Simplify right side
    55,634.45x = 2,531,508,157.73
  5. Step 5: Solve for x
    x = 2,531,508,157.73/55,634.45
  6. Step 6: Final answer
    x = 45,502.53

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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.