Home / 55,108.29-76,049.49-29,957.79

Finding the Fourth Proportional to 55,108.29, 76,049.49 and 29,957.79

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Solution

The fourth proportional to 55,108.29, 76,049.49 and 29,957.79 is: 41,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.29 : 76,049.49 = 29,957.79 : x
  2. Step 2: Convert to fraction form
    55,108.29/76,049.49 = 29,957.79/x
  3. Step 3: Cross multiply
    55,108.29x = 76,049.49 × 29,957.79
  4. Step 4: Simplify right side
    55,108.29x = 2,278,274,651.03
  5. Step 5: Solve for x
    x = 2,278,274,651.03/55,108.29
  6. Step 6: Final answer
    x = 41,341.78

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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.