Home / 49,257.48-67,997.70-31,377

Finding the Fourth Proportional to 49,257.48, 67,997.70 and 31,377

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Solution

The fourth proportional to 49,257.48, 67,997.70 and 31,377 is: 43,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,257.48 : 67,997.70 = 31,377 : x
  2. Step 2: Convert to fraction form
    49,257.48/67,997.70 = 31,377/x
  3. Step 3: Cross multiply
    49,257.48x = 67,997.70 × 31,377
  4. Step 4: Simplify right side
    49,257.48x = 2,133,563,832.90
  5. Step 5: Solve for x
    x = 2,133,563,832.90/49,257.48
  6. Step 6: Final answer
    x = 43,314.51

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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.