Home / 37,283.88-51,451.86-20,288.28

Finding the Fourth Proportional to 37,283.88, 51,451.86 and 20,288.28

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Solution

The fourth proportional to 37,283.88, 51,451.86 and 20,288.28 is: 27,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.88 : 51,451.86 = 20,288.28 : x
  2. Step 2: Convert to fraction form
    37,283.88/51,451.86 = 20,288.28/x
  3. Step 3: Cross multiply
    37,283.88x = 51,451.86 × 20,288.28
  4. Step 4: Simplify right side
    37,283.88x = 1,043,869,742.20
  5. Step 5: Solve for x
    x = 1,043,869,742.20/37,283.88
  6. Step 6: Final answer
    x = 27,997.88

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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.