Home / 31,604.16-47,408.40-10,543.44

Finding the Fourth Proportional to 31,604.16, 47,408.40 and 10,543.44

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Solution

The fourth proportional to 31,604.16, 47,408.40 and 10,543.44 is: 15,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.16 : 47,408.40 = 10,543.44 : x
  2. Step 2: Convert to fraction form
    31,604.16/47,408.40 = 10,543.44/x
  3. Step 3: Cross multiply
    31,604.16x = 47,408.40 × 10,543.44
  4. Step 4: Simplify right side
    31,604.16x = 499,847,620.90
  5. Step 5: Solve for x
    x = 499,847,620.90/31,604.16
  6. Step 6: Final answer
    x = 15,815.88

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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.