Home / 30,175.85-41,642.69-16,747.11

Finding the Fourth Proportional to 30,175.85, 41,642.69 and 16,747.11

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Solution

The fourth proportional to 30,175.85, 41,642.69 and 16,747.11 is: 23,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.85 : 41,642.69 = 16,747.11 : x
  2. Step 2: Convert to fraction form
    30,175.85/41,642.69 = 16,747.11/x
  3. Step 3: Cross multiply
    30,175.85x = 41,642.69 × 16,747.11
  4. Step 4: Simplify right side
    30,175.85x = 697,394,710.13
  5. Step 5: Solve for x
    x = 697,394,710.13/30,175.85
  6. Step 6: Final answer
    x = 23,111.02

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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.