Home / 31,221.45-46,834.61-9,035.15

Finding the Fourth Proportional to 31,221.45, 46,834.61 and 9,035.15

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Solution

The fourth proportional to 31,221.45, 46,834.61 and 9,035.15 is: 13,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.45 : 46,834.61 = 9,035.15 : x
  2. Step 2: Convert to fraction form
    31,221.45/46,834.61 = 9,035.15/x
  3. Step 3: Cross multiply
    31,221.45x = 46,834.61 × 9,035.15
  4. Step 4: Simplify right side
    31,221.45x = 423,157,447.19
  5. Step 5: Solve for x
    x = 423,157,447.19/31,221.45
  6. Step 6: Final answer
    x = 13,553.42

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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.