Home / 30,730.73-46,087.65-19,469.16

Finding the Fourth Proportional to 30,730.73, 46,087.65 and 19,469.16

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Solution

The fourth proportional to 30,730.73, 46,087.65 and 19,469.16 is: 29,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730.73 : 46,087.65 = 19,469.16 : x
  2. Step 2: Convert to fraction form
    30,730.73/46,087.65 = 19,469.16/x
  3. Step 3: Cross multiply
    30,730.73x = 46,087.65 × 19,469.16
  4. Step 4: Simplify right side
    30,730.73x = 897,287,831.87
  5. Step 5: Solve for x
    x = 897,287,831.87/30,730.73
  6. Step 6: Final answer
    x = 29,198.39

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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.