Home / 37,157.40-51,276.66-20,161.68

Finding the Fourth Proportional to 37,157.40, 51,276.66 and 20,161.68

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Solution

The fourth proportional to 37,157.40, 51,276.66 and 20,161.68 is: 27,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.40 : 51,276.66 = 20,161.68 : x
  2. Step 2: Convert to fraction form
    37,157.40/51,276.66 = 20,161.68/x
  3. Step 3: Cross multiply
    37,157.40x = 51,276.66 × 20,161.68
  4. Step 4: Simplify right side
    37,157.40x = 1,033,823,610.39
  5. Step 5: Solve for x
    x = 1,033,823,610.39/37,157.40
  6. Step 6: Final answer
    x = 27,822.82

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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.