Home / 55,029.96-75,942.72-29,879.46

Finding the Fourth Proportional to 55,029.96, 75,942.72 and 29,879.46

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Solution

The fourth proportional to 55,029.96, 75,942.72 and 29,879.46 is: 41,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.96 : 75,942.72 = 29,879.46 : x
  2. Step 2: Convert to fraction form
    55,029.96/75,942.72 = 29,879.46/x
  3. Step 3: Cross multiply
    55,029.96x = 75,942.72 × 29,879.46
  4. Step 4: Simplify right side
    55,029.96x = 2,269,127,464.53
  5. Step 5: Solve for x
    x = 2,269,127,464.53/55,029.96
  6. Step 6: Final answer
    x = 41,234.40

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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.