Home / 29,208.72-40,305.80-16,630.96

Finding the Fourth Proportional to 29,208.72, 40,305.80 and 16,630.96

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Solution

The fourth proportional to 29,208.72, 40,305.80 and 16,630.96 is: 22,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.72 : 40,305.80 = 16,630.96 : x
  2. Step 2: Convert to fraction form
    29,208.72/40,305.80 = 16,630.96/x
  3. Step 3: Cross multiply
    29,208.72x = 40,305.80 × 16,630.96
  4. Step 4: Simplify right side
    29,208.72x = 670,324,147.57
  5. Step 5: Solve for x
    x = 670,324,147.57/29,208.72
  6. Step 6: Final answer
    x = 22,949.45

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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.