Home / 30,380.96-41,925.66-16,951.42

Finding the Fourth Proportional to 30,380.96, 41,925.66 and 16,951.42

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Solution

The fourth proportional to 30,380.96, 41,925.66 and 16,951.42 is: 23,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.96 : 41,925.66 = 16,951.42 : x
  2. Step 2: Convert to fraction form
    30,380.96/41,925.66 = 16,951.42/x
  3. Step 3: Cross multiply
    30,380.96x = 41,925.66 × 16,951.42
  4. Step 4: Simplify right side
    30,380.96x = 710,699,471.44
  5. Step 5: Solve for x
    x = 710,699,471.44/30,380.96
  6. Step 6: Final answer
    x = 23,392.92

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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.