Home / 34,778.31-47,993.72-19,673.92

Finding the Fourth Proportional to 34,778.31, 47,993.72 and 19,673.92

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Solution

The fourth proportional to 34,778.31, 47,993.72 and 19,673.92 is: 27,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.31 : 47,993.72 = 19,673.92 : x
  2. Step 2: Convert to fraction form
    34,778.31/47,993.72 = 19,673.92/x
  3. Step 3: Cross multiply
    34,778.31x = 47,993.72 × 19,673.92
  4. Step 4: Simplify right side
    34,778.31x = 944,224,269.44
  5. Step 5: Solve for x
    x = 944,224,269.44/34,778.31
  6. Step 6: Final answer
    x = 27,149.80

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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.