Home / 67,997.43-93,809.57-39,311.81

Finding the Fourth Proportional to 67,997.43, 93,809.57 and 39,311.81

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Solution

The fourth proportional to 67,997.43, 93,809.57 and 39,311.81 is: 54,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.43 : 93,809.57 = 39,311.81 : x
  2. Step 2: Convert to fraction form
    67,997.43/93,809.57 = 39,311.81/x
  3. Step 3: Cross multiply
    67,997.43x = 93,809.57 × 39,311.81
  4. Step 4: Simplify right side
    67,997.43x = 3,687,823,326.41
  5. Step 5: Solve for x
    x = 3,687,823,326.41/67,997.43
  6. Step 6: Final answer
    x = 54,234.75

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1.5x scale

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.