Home / 55,108.42-76,043.37-31,229.98

Finding the Fourth Proportional to 55,108.42, 76,043.37 and 31,229.98

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Solution

The fourth proportional to 55,108.42, 76,043.37 and 31,229.98 is: 43,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.42 : 76,043.37 = 31,229.98 : x
  2. Step 2: Convert to fraction form
    55,108.42/76,043.37 = 31,229.98/x
  3. Step 3: Cross multiply
    55,108.42x = 76,043.37 × 31,229.98
  4. Step 4: Simplify right side
    55,108.42x = 2,374,832,924.23
  5. Step 5: Solve for x
    x = 2,374,832,924.23/55,108.42
  6. Step 6: Final answer
    x = 43,093.83

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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.