Home / 34,121.14-51,157.47-13,043.42

Finding the Fourth Proportional to 34,121.14, 51,157.47 and 13,043.42

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Solution

The fourth proportional to 34,121.14, 51,157.47 and 13,043.42 is: 19,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.14 : 51,157.47 = 13,043.42 : x
  2. Step 2: Convert to fraction form
    34,121.14/51,157.47 = 13,043.42/x
  3. Step 3: Cross multiply
    34,121.14x = 51,157.47 × 13,043.42
  4. Step 4: Simplify right side
    34,121.14x = 667,268,352.31
  5. Step 5: Solve for x
    x = 667,268,352.31/34,121.14
  6. Step 6: Final answer
    x = 19,555.86

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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.