Home / 29,680.40-40,958.91-16,251.62

Finding the Fourth Proportional to 29,680.40, 40,958.91 and 16,251.62

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Solution

The fourth proportional to 29,680.40, 40,958.91 and 16,251.62 is: 22,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.40 : 40,958.91 = 16,251.62 : x
  2. Step 2: Convert to fraction form
    29,680.40/40,958.91 = 16,251.62/x
  3. Step 3: Cross multiply
    29,680.40x = 40,958.91 × 16,251.62
  4. Step 4: Simplify right side
    29,680.40x = 665,648,640.93
  5. Step 5: Solve for x
    x = 665,648,640.93/29,680.40
  6. Step 6: Final answer
    x = 22,427.21

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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.