Home / 54,394.14-81,513.45-30,972.18

Finding the Fourth Proportional to 54,394.14, 81,513.45 and 30,972.18

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Solution

The fourth proportional to 54,394.14, 81,513.45 and 30,972.18 is: 46,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.14 : 81,513.45 = 30,972.18 : x
  2. Step 2: Convert to fraction form
    54,394.14/81,513.45 = 30,972.18/x
  3. Step 3: Cross multiply
    54,394.14x = 81,513.45 × 30,972.18
  4. Step 4: Simplify right side
    54,394.14x = 2,524,649,245.82
  5. Step 5: Solve for x
    x = 2,524,649,245.82/54,394.14
  6. Step 6: Final answer
    x = 46,413.99

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1.5x scale

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.