Home / 37,145.51-51,260.37-20,149.43

Finding the Fourth Proportional to 37,145.51, 51,260.37 and 20,149.43

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Solution

The fourth proportional to 37,145.51, 51,260.37 and 20,149.43 is: 27,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.51 : 51,260.37 = 20,149.43 : x
  2. Step 2: Convert to fraction form
    37,145.51/51,260.37 = 20,149.43/x
  3. Step 3: Cross multiply
    37,145.51x = 51,260.37 × 20,149.43
  4. Step 4: Simplify right side
    37,145.51x = 1,032,867,237.09
  5. Step 5: Solve for x
    x = 1,032,867,237.09/37,145.51
  6. Step 6: Final answer
    x = 27,805.98

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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.