Home / 55,553.24-76,661.58-31,687.64

Finding the Fourth Proportional to 55,553.24, 76,661.58 and 31,687.64

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Solution

The fourth proportional to 55,553.24, 76,661.58 and 31,687.64 is: 43,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.24 : 76,661.58 = 31,687.64 : x
  2. Step 2: Convert to fraction form
    55,553.24/76,661.58 = 31,687.64/x
  3. Step 3: Cross multiply
    55,553.24x = 76,661.58 × 31,687.64
  4. Step 4: Simplify right side
    55,553.24x = 2,429,224,548.87
  5. Step 5: Solve for x
    x = 2,429,224,548.87/55,553.24
  6. Step 6: Final answer
    x = 43,727.86

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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.