Home / 34,121.38-47,087.84-19,974.52

Finding the Fourth Proportional to 34,121.38, 47,087.84 and 19,974.52

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Solution

The fourth proportional to 34,121.38, 47,087.84 and 19,974.52 is: 27,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.38 : 47,087.84 = 19,974.52 : x
  2. Step 2: Convert to fraction form
    34,121.38/47,087.84 = 19,974.52/x
  3. Step 3: Cross multiply
    34,121.38x = 47,087.84 × 19,974.52
  4. Step 4: Simplify right side
    34,121.38x = 940,557,001.84
  5. Step 5: Solve for x
    x = 940,557,001.84/34,121.38
  6. Step 6: Final answer
    x = 27,565.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.