Home / 38,103.62-57,121.40-19,373.18

Finding the Fourth Proportional to 38,103.62, 57,121.40 and 19,373.18

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Solution

The fourth proportional to 38,103.62, 57,121.40 and 19,373.18 is: 29,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.62 : 57,121.40 = 19,373.18 : x
  2. Step 2: Convert to fraction form
    38,103.62/57,121.40 = 19,373.18/x
  3. Step 3: Cross multiply
    38,103.62x = 57,121.40 × 19,373.18
  4. Step 4: Simplify right side
    38,103.62x = 1,106,622,926.88
  5. Step 5: Solve for x
    x = 1,106,622,926.88/38,103.62
  6. Step 6: Final answer
    x = 29,042.47

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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.