Home / 55,236.39-82,790.31-31,560.52

Finding the Fourth Proportional to 55,236.39, 82,790.31 and 31,560.52

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Solution

The fourth proportional to 55,236.39, 82,790.31 and 31,560.52 is: 47,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.39 : 82,790.31 = 31,560.52 : x
  2. Step 2: Convert to fraction form
    55,236.39/82,790.31 = 31,560.52/x
  3. Step 3: Cross multiply
    55,236.39x = 82,790.31 × 31,560.52
  4. Step 4: Simplify right side
    55,236.39x = 2,612,904,971.20
  5. Step 5: Solve for x
    x = 2,612,904,971.20/55,236.39
  6. Step 6: Final answer
    x = 47,304.05

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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.