Home / 49,838.73-74,789.22-20,256.56

Finding the Fourth Proportional to 49,838.73, 74,789.22 and 20,256.56

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Solution

The fourth proportional to 49,838.73, 74,789.22 and 20,256.56 is: 30,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.73 : 74,789.22 = 20,256.56 : x
  2. Step 2: Convert to fraction form
    49,838.73/74,789.22 = 20,256.56/x
  3. Step 3: Cross multiply
    49,838.73x = 74,789.22 × 20,256.56
  4. Step 4: Simplify right side
    49,838.73x = 1,514,971,948.34
  5. Step 5: Solve for x
    x = 1,514,971,948.34/49,838.73
  6. Step 6: Final answer
    x = 30,397.48

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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.