Home / 37,165.70-51,288.40-20,169.51

Finding the Fourth Proportional to 37,165.70, 51,288.40 and 20,169.51

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Solution

The fourth proportional to 37,165.70, 51,288.40 and 20,169.51 is: 27,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.70 : 51,288.40 = 20,169.51 : x
  2. Step 2: Convert to fraction form
    37,165.70/51,288.40 = 20,169.51/x
  3. Step 3: Cross multiply
    37,165.70x = 51,288.40 × 20,169.51
  4. Step 4: Simplify right side
    37,165.70x = 1,034,461,896.68
  5. Step 5: Solve for x
    x = 1,034,461,896.68/37,165.70
  6. Step 6: Final answer
    x = 27,833.78

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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.