Home / 55,044.74-82,541.06-21,326.54

Finding the Fourth Proportional to 55,044.74, 82,541.06 and 21,326.54

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Solution

The fourth proportional to 55,044.74, 82,541.06 and 21,326.54 is: 31,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,044.74 : 82,541.06 = 21,326.54 : x
  2. Step 2: Convert to fraction form
    55,044.74/82,541.06 = 21,326.54/x
  3. Step 3: Cross multiply
    55,044.74x = 82,541.06 × 21,326.54
  4. Step 4: Simplify right side
    55,044.74x = 1,760,315,217.73
  5. Step 5: Solve for x
    x = 1,760,315,217.73/55,044.74
  6. Step 6: Final answer
    x = 31,979.72

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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.