Home / 29,809.20-41,176.52-20,886.24

Finding the Fourth Proportional to 29,809.20, 41,176.52 and 20,886.24

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Solution

The fourth proportional to 29,809.20, 41,176.52 and 20,886.24 is: 28,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.20 : 41,176.52 = 20,886.24 : x
  2. Step 2: Convert to fraction form
    29,809.20/41,176.52 = 20,886.24/x
  3. Step 3: Cross multiply
    29,809.20x = 41,176.52 × 20,886.24
  4. Step 4: Simplify right side
    29,809.20x = 860,022,679.08
  5. Step 5: Solve for x
    x = 860,022,679.08/29,809.20
  6. Step 6: Final answer
    x = 28,850.91

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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.