Home / 40,951.32-61,413.92-15,985.30

Finding the Fourth Proportional to 40,951.32, 61,413.92 and 15,985.30

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Solution

The fourth proportional to 40,951.32, 61,413.92 and 15,985.30 is: 23,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,951.32 : 61,413.92 = 15,985.30 : x
  2. Step 2: Convert to fraction form
    40,951.32/61,413.92 = 15,985.30/x
  3. Step 3: Cross multiply
    40,951.32x = 61,413.92 × 15,985.30
  4. Step 4: Simplify right side
    40,951.32x = 981,719,935.38
  5. Step 5: Solve for x
    x = 981,719,935.38/40,951.32
  6. Step 6: Final answer
    x = 23,972.85

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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.