Home / 37,431.12-51,652.44-20,664.48

Finding the Fourth Proportional to 37,431.12, 51,652.44 and 20,664.48

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Solution

The fourth proportional to 37,431.12, 51,652.44 and 20,664.48 is: 28,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.12 : 51,652.44 = 20,664.48 : x
  2. Step 2: Convert to fraction form
    37,431.12/51,652.44 = 20,664.48/x
  3. Step 3: Cross multiply
    37,431.12x = 51,652.44 × 20,664.48
  4. Step 4: Simplify right side
    37,431.12x = 1,067,370,813.33
  5. Step 5: Solve for x
    x = 1,067,370,813.33/37,431.12
  6. Step 6: Final answer
    x = 28,515.60

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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.