Home / 37,305.92-51,481.44-20,539.20

Finding the Fourth Proportional to 37,305.92, 51,481.44 and 20,539.20

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Solution

The fourth proportional to 37,305.92, 51,481.44 and 20,539.20 is: 28,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.92 : 51,481.44 = 20,539.20 : x
  2. Step 2: Convert to fraction form
    37,305.92/51,481.44 = 20,539.20/x
  3. Step 3: Cross multiply
    37,305.92x = 51,481.44 × 20,539.20
  4. Step 4: Simplify right side
    37,305.92x = 1,057,387,592.45
  5. Step 5: Solve for x
    x = 1,057,387,592.45/37,305.92
  6. Step 6: Final answer
    x = 28,343.69

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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.