Home / 34,146.21-51,219.64-11,959.55

Finding the Fourth Proportional to 34,146.21, 51,219.64 and 11,959.55

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Solution

The fourth proportional to 34,146.21, 51,219.64 and 11,959.55 is: 17,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,146.21 : 51,219.64 = 11,959.55 : x
  2. Step 2: Convert to fraction form
    34,146.21/51,219.64 = 11,959.55/x
  3. Step 3: Cross multiply
    34,146.21x = 51,219.64 × 11,959.55
  4. Step 4: Simplify right side
    34,146.21x = 612,563,796.49
  5. Step 5: Solve for x
    x = 612,563,796.49/34,146.21
  6. Step 6: Final answer
    x = 17,939.44

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1.5x scale

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.