Home / 30,821.31-46,205.20-15,004.35

Finding the Fourth Proportional to 30,821.31, 46,205.20 and 15,004.35

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Solution

The fourth proportional to 30,821.31, 46,205.20 and 15,004.35 is: 22,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.31 : 46,205.20 = 15,004.35 : x
  2. Step 2: Convert to fraction form
    30,821.31/46,205.20 = 15,004.35/x
  3. Step 3: Cross multiply
    30,821.31x = 46,205.20 × 15,004.35
  4. Step 4: Simplify right side
    30,821.31x = 693,278,992.62
  5. Step 5: Solve for x
    x = 693,278,992.62/30,821.31
  6. Step 6: Final answer
    x = 22,493.50

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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.