Home / 31,577.43-47,324.99-12,835.56

Finding the Fourth Proportional to 31,577.43, 47,324.99 and 12,835.56

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Solution

The fourth proportional to 31,577.43, 47,324.99 and 12,835.56 is: 19,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.43 : 47,324.99 = 12,835.56 : x
  2. Step 2: Convert to fraction form
    31,577.43/47,324.99 = 12,835.56/x
  3. Step 3: Cross multiply
    31,577.43x = 47,324.99 × 12,835.56
  4. Step 4: Simplify right side
    31,577.43x = 607,442,684.47
  5. Step 5: Solve for x
    x = 607,442,684.47/31,577.43
  6. Step 6: Final answer
    x = 19,236.61

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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.