Home / 31,398.85-47,098.29-8,025.31

Finding the Fourth Proportional to 31,398.85, 47,098.29 and 8,025.31

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Solution

The fourth proportional to 31,398.85, 47,098.29 and 8,025.31 is: 12,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.85 : 47,098.29 = 8,025.31 : x
  2. Step 2: Convert to fraction form
    31,398.85/47,098.29 = 8,025.31/x
  3. Step 3: Cross multiply
    31,398.85x = 47,098.29 × 8,025.31
  4. Step 4: Simplify right side
    31,398.85x = 377,978,377.72
  5. Step 5: Solve for x
    x = 377,978,377.72/31,398.85
  6. Step 6: Final answer
    x = 12,037.97

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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.