Home / 34,201.76-47,185.44-20,767.92

Finding the Fourth Proportional to 34,201.76, 47,185.44 and 20,767.92

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Solution

The fourth proportional to 34,201.76, 47,185.44 and 20,767.92 is: 28,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,201.76 : 47,185.44 = 20,767.92 : x
  2. Step 2: Convert to fraction form
    34,201.76/47,185.44 = 20,767.92/x
  3. Step 3: Cross multiply
    34,201.76x = 47,185.44 × 20,767.92
  4. Step 4: Simplify right side
    34,201.76x = 979,943,443.08
  5. Step 5: Solve for x
    x = 979,943,443.08/34,201.76
  6. Step 6: Final answer
    x = 28,651.84

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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.