Home / 30,241.52-41,737.60-18,922.40

Finding the Fourth Proportional to 30,241.52, 41,737.60 and 18,922.40

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Solution

The fourth proportional to 30,241.52, 41,737.60 and 18,922.40 is: 26,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.52 : 41,737.60 = 18,922.40 : x
  2. Step 2: Convert to fraction form
    30,241.52/41,737.60 = 18,922.40/x
  3. Step 3: Cross multiply
    30,241.52x = 41,737.60 × 18,922.40
  4. Step 4: Simplify right side
    30,241.52x = 789,775,562.24
  5. Step 5: Solve for x
    x = 789,775,562.24/30,241.52
  6. Step 6: Final answer
    x = 26,115.60

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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.