Home / 30,177.62-41,645.21-16,748.91

Finding the Fourth Proportional to 30,177.62, 41,645.21 and 16,748.91

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Solution

The fourth proportional to 30,177.62, 41,645.21 and 16,748.91 is: 23,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.62 : 41,645.21 = 16,748.91 : x
  2. Step 2: Convert to fraction form
    30,177.62/41,645.21 = 16,748.91/x
  3. Step 3: Cross multiply
    30,177.62x = 41,645.21 × 16,748.91
  4. Step 4: Simplify right side
    30,177.62x = 697,511,874.22
  5. Step 5: Solve for x
    x = 697,511,874.22/30,177.62
  6. Step 6: Final answer
    x = 23,113.55

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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.