Home / 29,190.72-40,282.56-16,616.64

Finding the Fourth Proportional to 29,190.72, 40,282.56 and 16,616.64

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Solution

The fourth proportional to 29,190.72, 40,282.56 and 16,616.64 is: 22,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.72 : 40,282.56 = 16,616.64 : x
  2. Step 2: Convert to fraction form
    29,190.72/40,282.56 = 16,616.64/x
  3. Step 3: Cross multiply
    29,190.72x = 40,282.56 × 16,616.64
  4. Step 4: Simplify right side
    29,190.72x = 669,360,797.80
  5. Step 5: Solve for x
    x = 669,360,797.80/29,190.72
  6. Step 6: Final answer
    x = 22,930.60

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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.