Home / 54,214.31-81,311.67-14,762.19

Finding the Fourth Proportional to 54,214.31, 81,311.67 and 14,762.19

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Solution

The fourth proportional to 54,214.31, 81,311.67 and 14,762.19 is: 22,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.31 : 81,311.67 = 14,762.19 : x
  2. Step 2: Convert to fraction form
    54,214.31/81,311.67 = 14,762.19/x
  3. Step 3: Cross multiply
    54,214.31x = 81,311.67 × 14,762.19
  4. Step 4: Simplify right side
    54,214.31x = 1,200,338,626.68
  5. Step 5: Solve for x
    x = 1,200,338,626.68/54,214.31
  6. Step 6: Final answer
    x = 22,140.62

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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.