Home / 37,385.66-51,591.44-20,618.66

Finding the Fourth Proportional to 37,385.66, 51,591.44 and 20,618.66

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Solution

The fourth proportional to 37,385.66, 51,591.44 and 20,618.66 is: 28,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.66 : 51,591.44 = 20,618.66 : x
  2. Step 2: Convert to fraction form
    37,385.66/51,591.44 = 20,618.66/x
  3. Step 3: Cross multiply
    37,385.66x = 51,591.44 × 20,618.66
  4. Step 4: Simplify right side
    37,385.66x = 1,063,745,999.22
  5. Step 5: Solve for x
    x = 1,063,745,999.22/37,385.66
  6. Step 6: Final answer
    x = 28,453.32

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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.