Home / 30,179.82-41,646.20-16,751.08

Finding the Fourth Proportional to 30,179.82, 41,646.20 and 16,751.08

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Solution

The fourth proportional to 30,179.82, 41,646.20 and 16,751.08 is: 23,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.82 : 41,646.20 = 16,751.08 : x
  2. Step 2: Convert to fraction form
    30,179.82/41,646.20 = 16,751.08/x
  3. Step 3: Cross multiply
    30,179.82x = 41,646.20 × 16,751.08
  4. Step 4: Simplify right side
    30,179.82x = 697,618,859.01
  5. Step 5: Solve for x
    x = 697,618,859.01/30,179.82
  6. Step 6: Final answer
    x = 23,115.41

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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.