Home / 40,900.20-56,478.06-25,819.80

Finding the Fourth Proportional to 40,900.20, 56,478.06 and 25,819.80

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Solution

The fourth proportional to 40,900.20, 56,478.06 and 25,819.80 is: 35,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.20 : 56,478.06 = 25,819.80 : x
  2. Step 2: Convert to fraction form
    40,900.20/56,478.06 = 25,819.80/x
  3. Step 3: Cross multiply
    40,900.20x = 56,478.06 × 25,819.80
  4. Step 4: Simplify right side
    40,900.20x = 1,458,252,213.59
  5. Step 5: Solve for x
    x = 1,458,252,213.59/40,900.20
  6. Step 6: Final answer
    x = 35,653.91

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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.