Home / 30,179.42-41,645.64-16,750.68

Finding the Fourth Proportional to 30,179.42, 41,645.64 and 16,750.68

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Solution

The fourth proportional to 30,179.42, 41,645.64 and 16,750.68 is: 23,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.42 : 41,645.64 = 16,750.68 : x
  2. Step 2: Convert to fraction form
    30,179.42/41,645.64 = 16,750.68/x
  3. Step 3: Cross multiply
    30,179.42x = 41,645.64 × 16,750.68
  4. Step 4: Simplify right side
    30,179.42x = 697,592,789.04
  5. Step 5: Solve for x
    x = 697,592,789.04/30,179.42
  6. Step 6: Final answer
    x = 23,114.85

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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.