Home / 38,067.76-52,535.82-21,072.16

Finding the Fourth Proportional to 38,067.76, 52,535.82 and 21,072.16

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Solution

The fourth proportional to 38,067.76, 52,535.82 and 21,072.16 is: 29,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.76 : 52,535.82 = 21,072.16 : x
  2. Step 2: Convert to fraction form
    38,067.76/52,535.82 = 21,072.16/x
  3. Step 3: Cross multiply
    38,067.76x = 52,535.82 × 21,072.16
  4. Step 4: Simplify right side
    38,067.76x = 1,107,043,204.77
  5. Step 5: Solve for x
    x = 1,107,043,204.77/38,067.76
  6. Step 6: Final answer
    x = 29,080.86

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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.