Home / 40,826-56,164.92-39,076.40

Finding the Fourth Proportional to 40,826, 56,164.92 and 39,076.40

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Solution

The fourth proportional to 40,826, 56,164.92 and 39,076.40 is: 53,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826 : 56,164.92 = 39,076.40 : x
  2. Step 2: Convert to fraction form
    40,826/56,164.92 = 39,076.40/x
  3. Step 3: Cross multiply
    40,826x = 56,164.92 × 39,076.40
  4. Step 4: Simplify right side
    40,826x = 2,194,722,879.89
  5. Step 5: Solve for x
    x = 2,194,722,879.89/40,826
  6. Step 6: Final answer
    x = 53,757.97

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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.