Home / 29,155.20-40,234.08-16,579.20

Finding the Fourth Proportional to 29,155.20, 40,234.08 and 16,579.20

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Solution

The fourth proportional to 29,155.20, 40,234.08 and 16,579.20 is: 22,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.20 : 40,234.08 = 16,579.20 : x
  2. Step 2: Convert to fraction form
    29,155.20/40,234.08 = 16,579.20/x
  3. Step 3: Cross multiply
    29,155.20x = 40,234.08 × 16,579.20
  4. Step 4: Simplify right side
    29,155.20x = 667,048,859.14
  5. Step 5: Solve for x
    x = 667,048,859.14/29,155.20
  6. Step 6: Final answer
    x = 22,879.24

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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.