Home / 54,503.32-81,760.32-21,226.12

Finding the Fourth Proportional to 54,503.32, 81,760.32 and 21,226.12

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Solution

The fourth proportional to 54,503.32, 81,760.32 and 21,226.12 is: 31,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,503.32 : 81,760.32 = 21,226.12 : x
  2. Step 2: Convert to fraction form
    54,503.32/81,760.32 = 21,226.12/x
  3. Step 3: Cross multiply
    54,503.32x = 81,760.32 × 21,226.12
  4. Step 4: Simplify right side
    54,503.32x = 1,735,454,363.56
  5. Step 5: Solve for x
    x = 1,735,454,363.56/54,503.32
  6. Step 6: Final answer
    x = 31,841.26

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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.