Home / 29,179.66-43,778.62-12,320.32

Finding the Fourth Proportional to 29,179.66, 43,778.62 and 12,320.32

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Solution

The fourth proportional to 29,179.66, 43,778.62 and 12,320.32 is: 18,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.66 : 43,778.62 = 12,320.32 : x
  2. Step 2: Convert to fraction form
    29,179.66/43,778.62 = 12,320.32/x
  3. Step 3: Cross multiply
    29,179.66x = 43,778.62 × 12,320.32
  4. Step 4: Simplify right side
    29,179.66x = 539,366,607.56
  5. Step 5: Solve for x
    x = 539,366,607.56/29,179.66
  6. Step 6: Final answer
    x = 18,484.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.