Home / 54,281.10-81,435.42-22,685.70

Finding the Fourth Proportional to 54,281.10, 81,435.42 and 22,685.70

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Solution

The fourth proportional to 54,281.10, 81,435.42 and 22,685.70 is: 34,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.10 : 81,435.42 = 22,685.70 : x
  2. Step 2: Convert to fraction form
    54,281.10/81,435.42 = 22,685.70/x
  3. Step 3: Cross multiply
    54,281.10x = 81,435.42 × 22,685.70
  4. Step 4: Simplify right side
    54,281.10x = 1,847,419,507.49
  5. Step 5: Solve for x
    x = 1,847,419,507.49/54,281.10
  6. Step 6: Final answer
    x = 34,034.30

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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.