Home / 37,165.25-51,288.05-20,399.33

Finding the Fourth Proportional to 37,165.25, 51,288.05 and 20,399.33

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Solution

The fourth proportional to 37,165.25, 51,288.05 and 20,399.33 is: 28,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.25 : 51,288.05 = 20,399.33 : x
  2. Step 2: Convert to fraction form
    37,165.25/51,288.05 = 20,399.33/x
  3. Step 3: Cross multiply
    37,165.25x = 51,288.05 × 20,399.33
  4. Step 4: Simplify right side
    37,165.25x = 1,046,241,755.01
  5. Step 5: Solve for x
    x = 1,046,241,755.01/37,165.25
  6. Step 6: Final answer
    x = 28,151.08

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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.