Home / 42,413.88-63,603.38-15,761.64

Finding the Fourth Proportional to 42,413.88, 63,603.38 and 15,761.64

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Solution

The fourth proportional to 42,413.88, 63,603.38 and 15,761.64 is: 23,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413.88 : 63,603.38 = 15,761.64 : x
  2. Step 2: Convert to fraction form
    42,413.88/63,603.38 = 15,761.64/x
  3. Step 3: Cross multiply
    42,413.88x = 63,603.38 × 15,761.64
  4. Step 4: Simplify right side
    42,413.88x = 1,002,493,578.34
  5. Step 5: Solve for x
    x = 1,002,493,578.34/42,413.88
  6. Step 6: Final answer
    x = 23,635.98

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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.