Home / 29,122.62-40,187.79-16,551.42

Finding the Fourth Proportional to 29,122.62, 40,187.79 and 16,551.42

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Solution

The fourth proportional to 29,122.62, 40,187.79 and 16,551.42 is: 22,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.62 : 40,187.79 = 16,551.42 : x
  2. Step 2: Convert to fraction form
    29,122.62/40,187.79 = 16,551.42/x
  3. Step 3: Cross multiply
    29,122.62x = 40,187.79 × 16,551.42
  4. Step 4: Simplify right side
    29,122.62x = 665,164,991.16
  5. Step 5: Solve for x
    x = 665,164,991.16/29,122.62
  6. Step 6: Final answer
    x = 22,840.15

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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.