Home / 37,196.64-51,331.20-20,201.36

Finding the Fourth Proportional to 37,196.64, 51,331.20 and 20,201.36

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Solution

The fourth proportional to 37,196.64, 51,331.20 and 20,201.36 is: 27,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,196.64 : 51,331.20 = 20,201.36 : x
  2. Step 2: Convert to fraction form
    37,196.64/51,331.20 = 20,201.36/x
  3. Step 3: Cross multiply
    37,196.64x = 51,331.20 × 20,201.36
  4. Step 4: Simplify right side
    37,196.64x = 1,036,960,050.43
  5. Step 5: Solve for x
    x = 1,036,960,050.43/37,196.64
  6. Step 6: Final answer
    x = 27,877.79

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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.