Home / 34,919.60-48,190.15-19,812.90

Finding the Fourth Proportional to 34,919.60, 48,190.15 and 19,812.90

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Solution

The fourth proportional to 34,919.60, 48,190.15 and 19,812.90 is: 27,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.60 : 48,190.15 = 19,812.90 : x
  2. Step 2: Convert to fraction form
    34,919.60/48,190.15 = 19,812.90/x
  3. Step 3: Cross multiply
    34,919.60x = 48,190.15 × 19,812.90
  4. Step 4: Simplify right side
    34,919.60x = 954,786,523.87
  5. Step 5: Solve for x
    x = 954,786,523.87/34,919.60
  6. Step 6: Final answer
    x = 27,342.42

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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.