Home / 34,725.90-47,918.90-19,619.88

Finding the Fourth Proportional to 34,725.90, 47,918.90 and 19,619.88

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Solution

The fourth proportional to 34,725.90, 47,918.90 and 19,619.88 is: 27,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.90 : 47,918.90 = 19,619.88 : x
  2. Step 2: Convert to fraction form
    34,725.90/47,918.90 = 19,619.88/x
  3. Step 3: Cross multiply
    34,725.90x = 47,918.90 × 19,619.88
  4. Step 4: Simplify right side
    34,725.90x = 940,163,067.73
  5. Step 5: Solve for x
    x = 940,163,067.73/34,725.90
  6. Step 6: Final answer
    x = 27,073.83

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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.