Home / 54,487.42-81,730.96-14,506.40

Finding the Fourth Proportional to 54,487.42, 81,730.96 and 14,506.40

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Solution

The fourth proportional to 54,487.42, 81,730.96 and 14,506.40 is: 21,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.42 : 81,730.96 = 14,506.40 : x
  2. Step 2: Convert to fraction form
    54,487.42/81,730.96 = 14,506.40/x
  3. Step 3: Cross multiply
    54,487.42x = 81,730.96 × 14,506.40
  4. Step 4: Simplify right side
    54,487.42x = 1,185,622,166.21
  5. Step 5: Solve for x
    x = 1,185,622,166.21/54,487.42
  6. Step 6: Final answer
    x = 21,759.56

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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.