Home / 30,394.70-41,949.55-17,819.45

Finding the Fourth Proportional to 30,394.70, 41,949.55 and 17,819.45

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Solution

The fourth proportional to 30,394.70, 41,949.55 and 17,819.45 is: 24,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.70 : 41,949.55 = 17,819.45 : x
  2. Step 2: Convert to fraction form
    30,394.70/41,949.55 = 17,819.45/x
  3. Step 3: Cross multiply
    30,394.70x = 41,949.55 × 17,819.45
  4. Step 4: Simplify right side
    30,394.70x = 747,517,908.75
  5. Step 5: Solve for x
    x = 747,517,908.75/30,394.70
  6. Step 6: Final answer
    x = 24,593.69

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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.