Home / 39,409.36-54,385.53-22,413.16

Finding the Fourth Proportional to 39,409.36, 54,385.53 and 22,413.16

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Solution

The fourth proportional to 39,409.36, 54,385.53 and 22,413.16 is: 30,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.36 : 54,385.53 = 22,413.16 : x
  2. Step 2: Convert to fraction form
    39,409.36/54,385.53 = 22,413.16/x
  3. Step 3: Cross multiply
    39,409.36x = 54,385.53 × 22,413.16
  4. Step 4: Simplify right side
    39,409.36x = 1,218,951,585.57
  5. Step 5: Solve for x
    x = 1,218,951,585.57/39,409.36
  6. Step 6: Final answer
    x = 30,930.51

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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.