Home / 37,388.88-51,594.12-20,619.60

Finding the Fourth Proportional to 37,388.88, 51,594.12 and 20,619.60

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Solution

The fourth proportional to 37,388.88, 51,594.12 and 20,619.60 is: 28,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,388.88 : 51,594.12 = 20,619.60 : x
  2. Step 2: Convert to fraction form
    37,388.88/51,594.12 = 20,619.60/x
  3. Step 3: Cross multiply
    37,388.88x = 51,594.12 × 20,619.60
  4. Step 4: Simplify right side
    37,388.88x = 1,063,850,116.75
  5. Step 5: Solve for x
    x = 1,063,850,116.75/37,388.88
  6. Step 6: Final answer
    x = 28,453.65

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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.