Home / 37,475.60-51,716.88-20,480.18

Finding the Fourth Proportional to 37,475.60, 51,716.88 and 20,480.18

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Solution

The fourth proportional to 37,475.60, 51,716.88 and 20,480.18 is: 28,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,475.60 : 51,716.88 = 20,480.18 : x
  2. Step 2: Convert to fraction form
    37,475.60/51,716.88 = 20,480.18/x
  3. Step 3: Cross multiply
    37,475.60x = 51,716.88 × 20,480.18
  4. Step 4: Simplify right side
    37,475.60x = 1,059,170,752.85
  5. Step 5: Solve for x
    x = 1,059,170,752.85/37,475.60
  6. Step 6: Final answer
    x = 28,262.95

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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.