Home / 55,415.91-76,474.44-31,544.12

Finding the Fourth Proportional to 55,415.91, 76,474.44 and 31,544.12

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Solution

The fourth proportional to 55,415.91, 76,474.44 and 31,544.12 is: 43,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.91 : 76,474.44 = 31,544.12 : x
  2. Step 2: Convert to fraction form
    55,415.91/76,474.44 = 31,544.12/x
  3. Step 3: Cross multiply
    55,415.91x = 76,474.44 × 31,544.12
  4. Step 4: Simplify right side
    55,415.91x = 2,412,318,529.92
  5. Step 5: Solve for x
    x = 2,412,318,529.92/55,415.91
  6. Step 6: Final answer
    x = 43,531.15

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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.