Home / 36,113.31-54,133.05-12,413.75

Finding the Fourth Proportional to 36,113.31, 54,133.05 and 12,413.75

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Solution

The fourth proportional to 36,113.31, 54,133.05 and 12,413.75 is: 18,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.31 : 54,133.05 = 12,413.75 : x
  2. Step 2: Convert to fraction form
    36,113.31/54,133.05 = 12,413.75/x
  3. Step 3: Cross multiply
    36,113.31x = 54,133.05 × 12,413.75
  4. Step 4: Simplify right side
    36,113.31x = 671,994,149.44
  5. Step 5: Solve for x
    x = 671,994,149.44/36,113.31
  6. Step 6: Final answer
    x = 18,607.94

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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.