Home / 55,481.57-76,560.42-31,603.58

Finding the Fourth Proportional to 55,481.57, 76,560.42 and 31,603.58

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Solution

The fourth proportional to 55,481.57, 76,560.42 and 31,603.58 is: 43,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.57 : 76,560.42 = 31,603.58 : x
  2. Step 2: Convert to fraction form
    55,481.57/76,560.42 = 31,603.58/x
  3. Step 3: Cross multiply
    55,481.57x = 76,560.42 × 31,603.58
  4. Step 4: Simplify right side
    55,481.57x = 2,419,583,358.30
  5. Step 5: Solve for x
    x = 2,419,583,358.30/55,481.57
  6. Step 6: Final answer
    x = 43,610.58

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1.5x scale

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.