Home / 54,364.26-81,545.31-30,940.50

Finding the Fourth Proportional to 54,364.26, 81,545.31 and 30,940.50

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Solution

The fourth proportional to 54,364.26, 81,545.31 and 30,940.50 is: 46,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.26 : 81,545.31 = 30,940.50 : x
  2. Step 2: Convert to fraction form
    54,364.26/81,545.31 = 30,940.50/x
  3. Step 3: Cross multiply
    54,364.26x = 81,545.31 × 30,940.50
  4. Step 4: Simplify right side
    54,364.26x = 2,523,052,664.06
  5. Step 5: Solve for x
    x = 2,523,052,664.06/54,364.26
  6. Step 6: Final answer
    x = 46,410.14

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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.