Home / 30,616.93-45,944.97-19,531.54

Finding the Fourth Proportional to 30,616.93, 45,944.97 and 19,531.54

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Solution

The fourth proportional to 30,616.93, 45,944.97 and 19,531.54 is: 29,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.93 : 45,944.97 = 19,531.54 : x
  2. Step 2: Convert to fraction form
    30,616.93/45,944.97 = 19,531.54/x
  3. Step 3: Cross multiply
    30,616.93x = 45,944.97 × 19,531.54
  4. Step 4: Simplify right side
    30,616.93x = 897,376,019.35
  5. Step 5: Solve for x
    x = 897,376,019.35/30,616.93
  6. Step 6: Final answer
    x = 29,309.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.