Home / 29,679.89-40,956.44-16,251.30

Finding the Fourth Proportional to 29,679.89, 40,956.44 and 16,251.30

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Solution

The fourth proportional to 29,679.89, 40,956.44 and 16,251.30 is: 22,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.89 : 40,956.44 = 16,251.30 : x
  2. Step 2: Convert to fraction form
    29,679.89/40,956.44 = 16,251.30/x
  3. Step 3: Cross multiply
    29,679.89x = 40,956.44 × 16,251.30
  4. Step 4: Simplify right side
    29,679.89x = 665,595,312.12
  5. Step 5: Solve for x
    x = 665,595,312.12/29,679.89
  6. Step 6: Final answer
    x = 22,425.80

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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.