Home / 55,128.96-76,053.60-32,760

Finding the Fourth Proportional to 55,128.96, 76,053.60 and 32,760

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Solution

The fourth proportional to 55,128.96, 76,053.60 and 32,760 is: 45,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.96 : 76,053.60 = 32,760 : x
  2. Step 2: Convert to fraction form
    55,128.96/76,053.60 = 32,760/x
  3. Step 3: Cross multiply
    55,128.96x = 76,053.60 × 32,760
  4. Step 4: Simplify right side
    55,128.96x = 2,491,515,936
  5. Step 5: Solve for x
    x = 2,491,515,936/55,128.96
  6. Step 6: Final answer
    x = 45,194.32

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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.