Home / 37,659.20-51,969.60-20,892.80

Finding the Fourth Proportional to 37,659.20, 51,969.60 and 20,892.80

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Solution

The fourth proportional to 37,659.20, 51,969.60 and 20,892.80 is: 28,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.20 : 51,969.60 = 20,892.80 : x
  2. Step 2: Convert to fraction form
    37,659.20/51,969.60 = 20,892.80/x
  3. Step 3: Cross multiply
    37,659.20x = 51,969.60 × 20,892.80
  4. Step 4: Simplify right side
    37,659.20x = 1,085,790,458.88
  5. Step 5: Solve for x
    x = 1,085,790,458.88/37,659.20
  6. Step 6: Final answer
    x = 28,832.01

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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.