Home / 30,385.97-41,932.76-16,957.79

Finding the Fourth Proportional to 30,385.97, 41,932.76 and 16,957.79

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Solution

The fourth proportional to 30,385.97, 41,932.76 and 16,957.79 is: 23,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.97 : 41,932.76 = 16,957.79 : x
  2. Step 2: Convert to fraction form
    30,385.97/41,932.76 = 16,957.79/x
  3. Step 3: Cross multiply
    30,385.97x = 41,932.76 × 16,957.79
  4. Step 4: Simplify right side
    30,385.97x = 711,087,120.98
  5. Step 5: Solve for x
    x = 711,087,120.98/30,385.97
  6. Step 6: Final answer
    x = 23,401.82

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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.