Home / 31,113.20-46,640.29-12,404.73

Finding the Fourth Proportional to 31,113.20, 46,640.29 and 12,404.73

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Solution

The fourth proportional to 31,113.20, 46,640.29 and 12,404.73 is: 18,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.20 : 46,640.29 = 12,404.73 : x
  2. Step 2: Convert to fraction form
    31,113.20/46,640.29 = 12,404.73/x
  3. Step 3: Cross multiply
    31,113.20x = 46,640.29 × 12,404.73
  4. Step 4: Simplify right side
    31,113.20x = 578,560,204.57
  5. Step 5: Solve for x
    x = 578,560,204.57/31,113.20
  6. Step 6: Final answer
    x = 18,595.33

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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.