Home / 37,556.68-51,822.84-20,789.68

Finding the Fourth Proportional to 37,556.68, 51,822.84 and 20,789.68

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Solution

The fourth proportional to 37,556.68, 51,822.84 and 20,789.68 is: 28,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,556.68 : 51,822.84 = 20,789.68 : x
  2. Step 2: Convert to fraction form
    37,556.68/51,822.84 = 20,789.68/x
  3. Step 3: Cross multiply
    37,556.68x = 51,822.84 × 20,789.68
  4. Step 4: Simplify right side
    37,556.68x = 1,077,380,260.29
  5. Step 5: Solve for x
    x = 1,077,380,260.29/37,556.68
  6. Step 6: Final answer
    x = 28,686.78

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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.