Home / 51,692.51-77,539.07-18,413.87

Finding the Fourth Proportional to 51,692.51, 77,539.07 and 18,413.87

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Solution

The fourth proportional to 51,692.51, 77,539.07 and 18,413.87 is: 27,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,692.51 : 77,539.07 = 18,413.87 : x
  2. Step 2: Convert to fraction form
    51,692.51/77,539.07 = 18,413.87/x
  3. Step 3: Cross multiply
    51,692.51x = 77,539.07 × 18,413.87
  4. Step 4: Simplify right side
    51,692.51x = 1,427,794,013.24
  5. Step 5: Solve for x
    x = 1,427,794,013.24/51,692.51
  6. Step 6: Final answer
    x = 27,620.91

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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.