Home / 55,374.84-76,413.78-31,500.09

Finding the Fourth Proportional to 55,374.84, 76,413.78 and 31,500.09

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Solution

The fourth proportional to 55,374.84, 76,413.78 and 31,500.09 is: 43,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.84 : 76,413.78 = 31,500.09 : x
  2. Step 2: Convert to fraction form
    55,374.84/76,413.78 = 31,500.09/x
  3. Step 3: Cross multiply
    55,374.84x = 76,413.78 × 31,500.09
  4. Step 4: Simplify right side
    55,374.84x = 2,407,040,947.24
  5. Step 5: Solve for x
    x = 2,407,040,947.24/55,374.84
  6. Step 6: Final answer
    x = 43,468.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.