Home / 30,370.14-41,910.50-16,758.30

Finding the Fourth Proportional to 30,370.14, 41,910.50 and 16,758.30

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Solution

The fourth proportional to 30,370.14, 41,910.50 and 16,758.30 is: 23,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.14 : 41,910.50 = 16,758.30 : x
  2. Step 2: Convert to fraction form
    30,370.14/41,910.50 = 16,758.30/x
  3. Step 3: Cross multiply
    30,370.14x = 41,910.50 × 16,758.30
  4. Step 4: Simplify right side
    30,370.14x = 702,348,732.15
  5. Step 5: Solve for x
    x = 702,348,732.15/30,370.14
  6. Step 6: Final answer
    x = 23,126.29

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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.