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Finding the Fourth Proportional to 61,532.73, 92,301.08 and 19,413.18

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Solution

The fourth proportional to 61,532.73, 92,301.08 and 19,413.18 is: 29,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532.73 : 92,301.08 = 19,413.18 : x
  2. Step 2: Convert to fraction form
    61,532.73/92,301.08 = 19,413.18/x
  3. Step 3: Cross multiply
    61,532.73x = 92,301.08 × 19,413.18
  4. Step 4: Simplify right side
    61,532.73x = 1,791,857,383.17
  5. Step 5: Solve for x
    x = 1,791,857,383.17/61,532.73
  6. Step 6: Final answer
    x = 29,120.39

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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.