Home / 30,740.11-46,110.20-8,553.49

Finding the Fourth Proportional to 30,740.11, 46,110.20 and 8,553.49

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Solution

The fourth proportional to 30,740.11, 46,110.20 and 8,553.49 is: 12,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.11 : 46,110.20 = 8,553.49 : x
  2. Step 2: Convert to fraction form
    30,740.11/46,110.20 = 8,553.49/x
  3. Step 3: Cross multiply
    30,740.11x = 46,110.20 × 8,553.49
  4. Step 4: Simplify right side
    30,740.11x = 394,402,976.56
  5. Step 5: Solve for x
    x = 394,402,976.56/30,740.11
  6. Step 6: Final answer
    x = 12,830.24

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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.