Home / 31,938.44-47,907.67-14,413.28

Finding the Fourth Proportional to 31,938.44, 47,907.67 and 14,413.28

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Solution

The fourth proportional to 31,938.44, 47,907.67 and 14,413.28 is: 21,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.44 : 47,907.67 = 14,413.28 : x
  2. Step 2: Convert to fraction form
    31,938.44/47,907.67 = 14,413.28/x
  3. Step 3: Cross multiply
    31,938.44x = 47,907.67 × 14,413.28
  4. Step 4: Simplify right side
    31,938.44x = 690,506,745.59
  5. Step 5: Solve for x
    x = 690,506,745.59/31,938.44
  6. Step 6: Final answer
    x = 21,619.93

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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.