Home / 45,413.33-68,126.27-12,134.48

Finding the Fourth Proportional to 45,413.33, 68,126.27 and 12,134.48

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Solution

The fourth proportional to 45,413.33, 68,126.27 and 12,134.48 is: 18,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.33 : 68,126.27 = 12,134.48 : x
  2. Step 2: Convert to fraction form
    45,413.33/68,126.27 = 12,134.48/x
  3. Step 3: Cross multiply
    45,413.33x = 68,126.27 × 12,134.48
  4. Step 4: Simplify right side
    45,413.33x = 826,676,459.49
  5. Step 5: Solve for x
    x = 826,676,459.49/45,413.33
  6. Step 6: Final answer
    x = 18,203.39

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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.