Home / 65,917.38-90,966.36-36,845.72

Finding the Fourth Proportional to 65,917.38, 90,966.36 and 36,845.72

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Solution

The fourth proportional to 65,917.38, 90,966.36 and 36,845.72 is: 50,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.38 : 90,966.36 = 36,845.72 : x
  2. Step 2: Convert to fraction form
    65,917.38/90,966.36 = 36,845.72/x
  3. Step 3: Cross multiply
    65,917.38x = 90,966.36 × 36,845.72
  4. Step 4: Simplify right side
    65,917.38x = 3,351,721,029.98
  5. Step 5: Solve for x
    x = 3,351,721,029.98/65,917.38
  6. Step 6: Final answer
    x = 50,847.30

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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.