Home / 34,283.34-51,378.30-20,961

Finding the Fourth Proportional to 34,283.34, 51,378.30 and 20,961

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Solution

The fourth proportional to 34,283.34, 51,378.30 and 20,961 is: 31,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,283.34 : 51,378.30 = 20,961 : x
  2. Step 2: Convert to fraction form
    34,283.34/51,378.30 = 20,961/x
  3. Step 3: Cross multiply
    34,283.34x = 51,378.30 × 20,961
  4. Step 4: Simplify right side
    34,283.34x = 1,076,940,546.30
  5. Step 5: Solve for x
    x = 1,076,940,546.30/34,283.34
  6. Step 6: Final answer
    x = 31,412.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.