Home / 31,511.62-47,274.80-10,735.12

Finding the Fourth Proportional to 31,511.62, 47,274.80 and 10,735.12

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Solution

The fourth proportional to 31,511.62, 47,274.80 and 10,735.12 is: 16,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.62 : 47,274.80 = 10,735.12 : x
  2. Step 2: Convert to fraction form
    31,511.62/47,274.80 = 10,735.12/x
  3. Step 3: Cross multiply
    31,511.62x = 47,274.80 × 10,735.12
  4. Step 4: Simplify right side
    31,511.62x = 507,500,650.98
  5. Step 5: Solve for x
    x = 507,500,650.98/31,511.62
  6. Step 6: Final answer
    x = 16,105.19

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1.5x scale

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.