Home / 37,709.40-52,033.17-21,790.77

Finding the Fourth Proportional to 37,709.40, 52,033.17 and 21,790.77

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Solution

The fourth proportional to 37,709.40, 52,033.17 and 21,790.77 is: 30,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,709.40 : 52,033.17 = 21,790.77 : x
  2. Step 2: Convert to fraction form
    37,709.40/52,033.17 = 21,790.77/x
  3. Step 3: Cross multiply
    37,709.40x = 52,033.17 × 21,790.77
  4. Step 4: Simplify right side
    37,709.40x = 1,133,842,839.84
  5. Step 5: Solve for x
    x = 1,133,842,839.84/37,709.40
  6. Step 6: Final answer
    x = 30,067.91

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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.