Home / 30,208.82-41,687.41-16,780.10

Finding the Fourth Proportional to 30,208.82, 41,687.41 and 16,780.10

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Solution

The fourth proportional to 30,208.82, 41,687.41 and 16,780.10 is: 23,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.82 : 41,687.41 = 16,780.10 : x
  2. Step 2: Convert to fraction form
    30,208.82/41,687.41 = 16,780.10/x
  3. Step 3: Cross multiply
    30,208.82x = 41,687.41 × 16,780.10
  4. Step 4: Simplify right side
    30,208.82x = 699,518,865.49
  5. Step 5: Solve for x
    x = 699,518,865.49/30,208.82
  6. Step 6: Final answer
    x = 23,156.11

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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.