Home / 39,798.22-54,929.38-22,813.86

Finding the Fourth Proportional to 39,798.22, 54,929.38 and 22,813.86

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Solution

The fourth proportional to 39,798.22, 54,929.38 and 22,813.86 is: 31,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.22 : 54,929.38 = 22,813.86 : x
  2. Step 2: Convert to fraction form
    39,798.22/54,929.38 = 22,813.86/x
  3. Step 3: Cross multiply
    39,798.22x = 54,929.38 × 22,813.86
  4. Step 4: Simplify right side
    39,798.22x = 1,253,150,972.88
  5. Step 5: Solve for x
    x = 1,253,150,972.88/39,798.22
  6. Step 6: Final answer
    x = 31,487.62

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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.