Home / 37,709.39-52,033.17-21,790.76

Finding the Fourth Proportional to 37,709.39, 52,033.17 and 21,790.76

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Solution

The fourth proportional to 37,709.39, 52,033.17 and 21,790.76 is: 30,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,709.39 : 52,033.17 = 21,790.76 : x
  2. Step 2: Convert to fraction form
    37,709.39/52,033.17 = 21,790.76/x
  3. Step 3: Cross multiply
    37,709.39x = 52,033.17 × 21,790.76
  4. Step 4: Simplify right side
    37,709.39x = 1,133,842,141.06
  5. Step 5: Solve for x
    x = 1,133,842,141.06/37,709.39
  6. Step 6: Final answer
    x = 30,067.90

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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.