Home / 29,450.12-40,640.74-16,021.49

Finding the Fourth Proportional to 29,450.12, 40,640.74 and 16,021.49

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Solution

The fourth proportional to 29,450.12, 40,640.74 and 16,021.49 is: 22,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,450.12 : 40,640.74 = 16,021.49 : x
  2. Step 2: Convert to fraction form
    29,450.12/40,640.74 = 16,021.49/x
  3. Step 3: Cross multiply
    29,450.12x = 40,640.74 × 16,021.49
  4. Step 4: Simplify right side
    29,450.12x = 651,125,209.50
  5. Step 5: Solve for x
    x = 651,125,209.50/29,450.12
  6. Step 6: Final answer
    x = 22,109.42

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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.