Home / 37,669.82-51,982.56-20,673.68

Finding the Fourth Proportional to 37,669.82, 51,982.56 and 20,673.68

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Solution

The fourth proportional to 37,669.82, 51,982.56 and 20,673.68 is: 28,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,669.82 : 51,982.56 = 20,673.68 : x
  2. Step 2: Convert to fraction form
    37,669.82/51,982.56 = 20,673.68/x
  3. Step 3: Cross multiply
    37,669.82x = 51,982.56 × 20,673.68
  4. Step 4: Simplify right side
    37,669.82x = 1,074,670,811.02
  5. Step 5: Solve for x
    x = 1,074,670,811.02/37,669.82
  6. Step 6: Final answer
    x = 28,528.70

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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.