Home / 30,922.20-42,672.96-17,493.60

Finding the Fourth Proportional to 30,922.20, 42,672.96 and 17,493.60

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Solution

The fourth proportional to 30,922.20, 42,672.96 and 17,493.60 is: 24,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.20 : 42,672.96 = 17,493.60 : x
  2. Step 2: Convert to fraction form
    30,922.20/42,672.96 = 17,493.60/x
  3. Step 3: Cross multiply
    30,922.20x = 42,672.96 × 17,493.60
  4. Step 4: Simplify right side
    30,922.20x = 746,503,693.06
  5. Step 5: Solve for x
    x = 746,503,693.06/30,922.20
  6. Step 6: Final answer
    x = 24,141.35

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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.