Home / 54,930.42-82,388.32-15,490.70

Finding the Fourth Proportional to 54,930.42, 82,388.32 and 15,490.70

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Solution

The fourth proportional to 54,930.42, 82,388.32 and 15,490.70 is: 23,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.42 : 82,388.32 = 15,490.70 : x
  2. Step 2: Convert to fraction form
    54,930.42/82,388.32 = 15,490.70/x
  3. Step 3: Cross multiply
    54,930.42x = 82,388.32 × 15,490.70
  4. Step 4: Simplify right side
    54,930.42x = 1,276,252,748.62
  5. Step 5: Solve for x
    x = 1,276,252,748.62/54,930.42
  6. Step 6: Final answer
    x = 23,233.99

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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.