Home / 31,676.56-47,530.68-14,158.96

Finding the Fourth Proportional to 31,676.56, 47,530.68 and 14,158.96

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Solution

The fourth proportional to 31,676.56, 47,530.68 and 14,158.96 is: 21,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.56 : 47,530.68 = 14,158.96 : x
  2. Step 2: Convert to fraction form
    31,676.56/47,530.68 = 14,158.96/x
  3. Step 3: Cross multiply
    31,676.56x = 47,530.68 × 14,158.96
  4. Step 4: Simplify right side
    31,676.56x = 672,984,996.89
  5. Step 5: Solve for x
    x = 672,984,996.89/31,676.56
  6. Step 6: Final answer
    x = 21,245.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.