Home / 55,282.27-76,288.89-31,408.43

Finding the Fourth Proportional to 55,282.27, 76,288.89 and 31,408.43

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Solution

The fourth proportional to 55,282.27, 76,288.89 and 31,408.43 is: 43,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.27 : 76,288.89 = 31,408.43 : x
  2. Step 2: Convert to fraction form
    55,282.27/76,288.89 = 31,408.43/x
  3. Step 3: Cross multiply
    55,282.27x = 76,288.89 × 31,408.43
  4. Step 4: Simplify right side
    55,282.27x = 2,396,114,261.34
  5. Step 5: Solve for x
    x = 2,396,114,261.34/55,282.27
  6. Step 6: Final answer
    x = 43,343.27

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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.