Home / 37,039.08-51,115.22-20,272.20

Finding the Fourth Proportional to 37,039.08, 51,115.22 and 20,272.20

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Solution

The fourth proportional to 37,039.08, 51,115.22 and 20,272.20 is: 27,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.08 : 51,115.22 = 20,272.20 : x
  2. Step 2: Convert to fraction form
    37,039.08/51,115.22 = 20,272.20/x
  3. Step 3: Cross multiply
    37,039.08x = 51,115.22 × 20,272.20
  4. Step 4: Simplify right side
    37,039.08x = 1,036,217,962.88
  5. Step 5: Solve for x
    x = 1,036,217,962.88/37,039.08
  6. Step 6: Final answer
    x = 27,976.34

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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.