Home / 29,118.60-40,183.68-16,543.32

Finding the Fourth Proportional to 29,118.60, 40,183.68 and 16,543.32

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Solution

The fourth proportional to 29,118.60, 40,183.68 and 16,543.32 is: 22,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.60 : 40,183.68 = 16,543.32 : x
  2. Step 2: Convert to fraction form
    29,118.60/40,183.68 = 16,543.32/x
  3. Step 3: Cross multiply
    29,118.60x = 40,183.68 × 16,543.32
  4. Step 4: Simplify right side
    29,118.60x = 664,771,477.02
  5. Step 5: Solve for x
    x = 664,771,477.02/29,118.60
  6. Step 6: Final answer
    x = 22,829.79

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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.