Home / 34,130.20-51,185.28-11,939.44

Finding the Fourth Proportional to 34,130.20, 51,185.28 and 11,939.44

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Solution

The fourth proportional to 34,130.20, 51,185.28 and 11,939.44 is: 17,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.20 : 51,185.28 = 11,939.44 : x
  2. Step 2: Convert to fraction form
    34,130.20/51,185.28 = 11,939.44/x
  3. Step 3: Cross multiply
    34,130.20x = 51,185.28 × 11,939.44
  4. Step 4: Simplify right side
    34,130.20x = 611,123,579.44
  5. Step 5: Solve for x
    x = 611,123,579.44/34,130.20
  6. Step 6: Final answer
    x = 17,905.65

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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.