Home / 54,380.70-75,046.10-30,505.95

Finding the Fourth Proportional to 54,380.70, 75,046.10 and 30,505.95

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Solution

The fourth proportional to 54,380.70, 75,046.10 and 30,505.95 is: 42,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.70 : 75,046.10 = 30,505.95 : x
  2. Step 2: Convert to fraction form
    54,380.70/75,046.10 = 30,505.95/x
  3. Step 3: Cross multiply
    54,380.70x = 75,046.10 × 30,505.95
  4. Step 4: Simplify right side
    54,380.70x = 2,289,352,421.77
  5. Step 5: Solve for x
    x = 2,289,352,421.77/54,380.70
  6. Step 6: Final answer
    x = 42,098.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.