Home / 29,343.54-40,493.30-16,768.28

Finding the Fourth Proportional to 29,343.54, 40,493.30 and 16,768.28

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Solution

The fourth proportional to 29,343.54, 40,493.30 and 16,768.28 is: 23,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.54 : 40,493.30 = 16,768.28 : x
  2. Step 2: Convert to fraction form
    29,343.54/40,493.30 = 16,768.28/x
  3. Step 3: Cross multiply
    29,343.54x = 40,493.30 × 16,768.28
  4. Step 4: Simplify right side
    29,343.54x = 679,002,992.52
  5. Step 5: Solve for x
    x = 679,002,992.52/29,343.54
  6. Step 6: Final answer
    x = 23,139.78

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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.