Home / 31,247.49-43,076.70-22,279.44

Finding the Fourth Proportional to 31,247.49, 43,076.70 and 22,279.44

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Solution

The fourth proportional to 31,247.49, 43,076.70 and 22,279.44 is: 30,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.49 : 43,076.70 = 22,279.44 : x
  2. Step 2: Convert to fraction form
    31,247.49/43,076.70 = 22,279.44/x
  3. Step 3: Cross multiply
    31,247.49x = 43,076.70 × 22,279.44
  4. Step 4: Simplify right side
    31,247.49x = 959,724,753.05
  5. Step 5: Solve for x
    x = 959,724,753.05/31,247.49
  6. Step 6: Final answer
    x = 30,713.66

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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.