Home / 30,352.70-41,881.38-16,922.90

Finding the Fourth Proportional to 30,352.70, 41,881.38 and 16,922.90

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Solution

The fourth proportional to 30,352.70, 41,881.38 and 16,922.90 is: 23,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.70 : 41,881.38 = 16,922.90 : x
  2. Step 2: Convert to fraction form
    30,352.70/41,881.38 = 16,922.90/x
  3. Step 3: Cross multiply
    30,352.70x = 41,881.38 × 16,922.90
  4. Step 4: Simplify right side
    30,352.70x = 708,754,405.60
  5. Step 5: Solve for x
    x = 708,754,405.60/30,352.70
  6. Step 6: Final answer
    x = 23,350.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.