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Finding the Fourth Proportional to 60,446.56, 83,413.36 and 33,590.88

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Solution

The fourth proportional to 60,446.56, 83,413.36 and 33,590.88 is: 46,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,446.56 : 83,413.36 = 33,590.88 : x
  2. Step 2: Convert to fraction form
    60,446.56/83,413.36 = 33,590.88/x
  3. Step 3: Cross multiply
    60,446.56x = 83,413.36 × 33,590.88
  4. Step 4: Simplify right side
    60,446.56x = 2,801,928,166.16
  5. Step 5: Solve for x
    x = 2,801,928,166.16/60,446.56
  6. Step 6: Final answer
    x = 46,353.81

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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.